Interestingly, sex is good for a healthy heart. 90. The heart The heart is a unidirectional pump. 3D echocardiogram showing the mitral valve (right), tricuspid and mitral valves (top left) and aortic valve (top right). 19. 1st Local Radio station:Radio Leicester launched in 1967, beginning a network of stations that will eventually number 40 in 2022. Lungs C. Kidneys D. Blood vessels 2. We avoid using tertiary references. 7. Thats Life: Thats Life, starring Ester Rantzen, not only ran for an incredible 21 years from 1973, it also launched two groundbreaking charities: Childline (now copied in over 150 countries) and Silver Line for older people. 56. This test covers the B3 unit of AQA GCSE Biology on heart and circulation. Many other drugs exist for more serious conditions, such as calcium or sodium channel blockers for people with severe arrhythmia. GCSE Science Revision Biology "The Heart and Circulation" Freesciencelessons 633K subscribers Subscribe 739K views 5 years ago 9-1 GCSE Biology Paper 1 Organisation Find my revision workbooks. The heart has three layers. In fishes the heart is a folded tube, with three or four enlarged areas that correspond to the chambers in the mammalian heart. (2016). 72. Obesity and high blood pressure make up the most common factors leading to heart failure. Learn more about this vital organ with our comprehensive collection of 50 facts about the heart. 2012 London Olympics: This was the first truly digital Olympics, with every sporting event available online, and a global audience of 3.6 billion viewers. Hence the phrase Back to square One. When the electromagnetic field of the heart was measured on an electrocardiogram (ECG), it was found that it was about 60 times greater in amplitude than the brain waves recorded in an electroencephalogram (EEC). Unfortunately, the heart diseases are a leading cause of death in UK, USA, Canada, and Australia. It's about the size of your fist and beats roughly 2.5 billion times in a lifetime. They dont usually suffer from the condition, but some become more vulnerable to cardiovascular, pulmonary, and intestinal disorders. 54. In fact, the heart becomes fully functional even before an embryo grows into a fetus. Terry Wogan: The most popular man on BBC Radio and TV from the 1970s onwards, and everyones favourite Eurovision commentator for more than three decades (just dont ask me to take it seriously he famously said). 9 Nov 2021. Aerobic exercises such as walking, swimming, and biking are good for the hearts health. - and other emotional questions. Your heart is small, but it's a hard worker. An active lifestyle with plenty of exercises and a healthy diet also does wonders for the heart. 81. Give it 5/5. That said, some people have a rare condition called dextrocardia, where the heart gets oriented towards the right side of the chest. Unmissable: BBC iPlayer launched in 2007, with content initially viewable for just seven days. George Orwell: Eric Blair (Orwells real name) worked at the Empire Service from 1941-43, using his experience there partly to conjure up the dystopian bureaucratic world of his famous novel Nineteen Eighty-Four. Systole (when the heart squeezes) happens because the muscle cells of the heart gets smaller in size. Unless you want to have serious heart disease or heart attack, you should definitely avoid that! The function of Epicardium is to protect the inner layers and to assist in the production of pericardial fluid. In The Curious Cases of Rutherford & Fry we ask whether a pizza can give us all we need, nutritionally. This is the thin smooth lining of the chambers of the heart. Blood. 37. Read also: 50 Eye Facts That Are Just Eyemazing. The human heart has four chambers or closed spaces. This can result in a heart attack, and some of the heart muscle cells die. Fact - NO -1. Each day, the human heart pumps around 2,000 gallons of blood! Pacemaker cells are responsible for producing electrical impulses in the heart. Then ventricular systole happens. The food you eat, and the quantity and quality of activity you choose to engage in can have a significant impact on the general health of your heart and the many other tissues that make up your cardiovascular system. There are plenty of these cells in the heart. 11. This, in turn, developed from the fact that the left side of the heart sends blood not just to the lungs, but to the rest of the body. Once electrical impulse goes through the atrio-ventricular node (AV Node). Hearts may also cook by grilling, such as in dishes like the Brazilian churrasco de curacao, Indonesian chicken heart satay, and Japanese hatto yakitori. Cardiac and cardio both mean "about the heart", so if something has the prefix cardio or cardiac, it has something to do with the heart. Doctors use these amazing machines to regulate hearts that can no longer regulate themselves. It has transformed our viewing habits with 6.6 billion streams of programmes on iPlayer in 2021/22. 47. Myocardium means the heart muscle: 'myo' is from the Greek word for muscle - 'mys', cardium is from the Greek word for heart - 'kardia'. Around the ninth week, it decelerates, to around 145 beats per minute by the time of birth. We discuss treatments for heart disease, cuisines that have animal hearts, and a whole lot more! Strictly: Inspired by the success of Baz Luhrmanns 1992 film Strictly Ballroom, the BBC launched Strictly Come Dancing in 2004, to become a surprise UK and global hit. Blood going away from the heart is carried in arteries. Falklands War: Brian Hanrahans memorable 1982 quote I counted them all out and I counted the back was couched to get round the BBCs reporting restrictions during the conflict, as he was not able to quote the exact number of jets involved in the Port Stanley raid. Phoebe Waller-Bridge: As well as writing and starring in the award-winning Fleabag, she also wrote the first season of Killing Eve, and was then taken on to help shape the script of latest Bond film No Time to Die. Our website services, content, and products are for informational purposes only. Whales have the largest heart of any mammal. He was famously responsible for shaping the mission and ethos of the BBC to inform, educate and entertain. . These bring blood from the body to the right heart. In addition to viral infections, pericarditis can also result from other conditions, such as cancer and kidney failure. Embryos and fetuses start out with a heartbeat similar to their mothers, before accelerating up to 185 beats per minute around the seventh week of pregnancy. 50. Did you know that it is possible to live without a real heart? 1st TV logo:It was called the bats wing logo, because its airy shape evoked the animal in flight. Some animals have only two or three chambers. Something as simple as stopping smoking, avoiding drugs, and drinking in moderation can go a long way to keeping your heart healthy. Get the latest BBC Health News: breaking health and medical news from the UK and around the world, with in-depth features on well-being and lifestyle. The electrodes see the electricity going through the heart. The heart beats automatically in response to the nerve signal from the brain. BBC Bitesize Human Body for KS2.BBC Bitesize, Human body for KS2, has a comprehensive section that would help support a classroom science project on the human body. 1st colour service in Europe:BBC Two was broadcast in colour in 1967, pioneered by David Attenborough then BBC Two Controller. The heart is tasked with pumping blood where it pumps oxygenated blood to the body and deoxygenated blood to the lungs. Some species of hummingbirds have a heart rate that can soar up to 1000 beats per minute, while a seal's heart rate can go as low as 10 beats per minute during an underwater dive. Third-degree heart block is the most serious of the three types of heart block. 98. Lemn Sissay explores two extracts from Tchaikovsky's The Nutcracker using facts and insight, beautiful animation and footage from the heart of the BBC Symphony Orchestra. The left ventricle works six times harder than the right ventricle because it carries oxygenated blood.. In this Higher Human Biology revision guide, you will learn in detail that cardiac output is a measure of the rate of blood flow through the heart and its associated blood vessels. Your heart is one of the most important organs in the human body. When he heard it, the original themes composer Ron Grainer asked incredulously: Did I write that?. Enjoy these blood facts while learning some interesting facts and information about blood type, cells, pressure, plasma, donation and more. 68. 100. 25. The rapid climate change we are now seeing is caused by humans using oil, gas and . The heart generates a powerful electromagnetic field. 22. Furthermore, Abrahamic traditions associate the heart with the Throne of God, which later led to the veneration of the Heart of Christ. However, in the old age, the heart rate increases slightly. Greco-Roman scholars saw the heart as the source of thought and reason, going so far as to ignore all evidence that pointed to the brain instead. Your heart is a very strong muscle which contracts (gets smaller) and relaxes to pump blood around your body. Pay attention that people who dont exercise are almost twice as likely to get heart disease as people who are active. This forces patients to take anti-rejection drugs, but those work by suppressing the bodys immune system, leaving them vulnerable to injection. At 8:45 PM that day, a broadcaster went on the air and said, "Good evening, Today is Good Friday. The BBC Micro:The BBC transformed the nations computer literacy at a stroke in 1982 when it launched the BBC Micro, powering an IT revolution in schools and homes. Controlling cholesterol is also crucial for heart health because it lowers your chances of heart disease, heart attack, and stroke. 71. Listen to a heart beating and discover how it pumps blood to the lungs and the rest of the body in a double circulation. 8. Hypertrophic cardiomyopathy, for example, causes an abnormal thickening of the hearts muscles. Your heart pumps about 2,000 gallons of blood every day. 43. An irregular heartbeat (arrhythmia) is a change in the heart's beating pattern. The chambers get bigger and blood coming back to the heart fills them. When this happens one time, it is called a cardiac cycle. Cardiac muscle tissue is an extremely specialized form of muscle tissue that has evolved to pump blood throughout the body. When we run, our body needs more oxygen to supply to the cells for exaggerated physical activity. 64. 11. 18. Mammals developed a four-chambered heart similarly, in what scientists call parallel evolution. Atrial diastole happens then too. . Arm B. Elbow C. Open palm D. Closed fist 3. Note that the heart rate during sleep decreases. Doctors collectively call these diseases pericarditis and typically cause the pericardium to become swollen. 44. The fairy fly, which is a kind of wasp, has the smallest heart of any living creature. The iconic heart shape as a symbol of love is traditionally thought to come from the silphium plant, which was used as an ancient form of birth control. 2023 TheFactFile.Org. Top radio show: Desert Island Discs launched in 1942, from an idea by producer Roy Plomley who became its first presenter, featuring Eric Coates iconic theme music By the Sleepy Lagoon. 31. How it actually travels through the heart remains a mystery to medical science up to today. 3.1M views 8 years ago Find out how the heart works and how blood flows through your body! doc, 39 KB. of the heart is responsible for pumping deoxygenated blood to the lungs. 4. (n.d.). 42. Once the bundle (meaning a group of strings or wires going in parallel directions) goes through the ventricle muscle, it divides into two bundle branches, the left bundle branch and the right bundle branch. Largest Country: Canada. The merry Christmas coronary and Happy New Year heart attack phenomenon. Doctors prefer to use the professional term congenital heart defects, though. Thus, it keeps functioning and keeps pumping blood for other body parts. Atherosclerosis refers to the build-up of fatty deposits called plaques inside a persons arteries. continue reading on the next page. There are four chambers (each chamber holds about 70 ml of blood) in the human heart. 13. The resting heart rate in adults is between 70 72 beats per minutes. Heart B. The middle layer is the myocardium. 5. The main artery going out of the left ventricle is the aorta. 1st programme: Its first programme was a news bulletin, consisting of an odd assortment of items (a robbery, a Shakespeare folio and fog), and read twice once at normal speed, once twice as slowly and listeners were asked to say which speed they preferred. The veins going into the left atrium are the pulmonary veins. If you were to stretch out your blood vessel system, it would extend over 60,000 miles. 1st fly on the wall documentary on British TV: The Family was launched by the BBC in 1974, as a shocked and fascinated UK nation watched the goings on of the Wilkins family in Reading, who agreed to be filmed for 18 hours a day over a period of three months. The human heart is a muscular organ; it pumps blood through the blood vessels. Second, to stabilize the hearts position in the chest, and finally, to protect the heart against infection. Its creator was the inspirational Hilda Matheson, the BBCs first Director of Radio Talks. Minor ones include patent foramen ovale, where the hole between the atriums from before birth dont properly close. Your heart is made up of four chambers - the left atrium, right atrium, left ventricle and right ventricle From there, it passes through the Bundle of His (BH) and the Tawara Branches to the ventricles. The fetus has a much faster heart rate than the mother. The Q-wave, R-wave, and S-wave. Blue Planet II: 37 million people watched the show in 2017 and 62% of people surveyed said it had changed their behaviour - it also led to Plastics Watch, an initiative to tackle plastics pollution across the globe. Welsh soap: Pobol y Cwm (People of the Valley), launched in 1974 at a time when Welsh-language programmes were under threat, is now the longest running soap on BBC TV. 20. Since its beginnings more than two million people have gained OU degrees. It is created by the Sinoatrial Node. This motion is called 'atrial systole'. Both ventricles do systole together. (2006). The ECG shows atrial systole. Your heart will beat about 115,000 times each day. In fact, doctors prefer not letting a heart condition develop in the first place over having to prescribe a cure after it develops. 49. Did you know that generally, the rate of heartbeat varies inversely with the size of the animal? GCSE BBC Science Bitesize - Breathing JamJarMMX 12.7K subscribers 466 179K views 10 years ago This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on. Sunao Tawara made breakthroughs in studying the hearts electrical mechanisms in 1906. Interestingly, the human heartbeat changes and mimics the music you listen to. Curry: Madhur Jaffrey launched her Indian Cookery in 1982, making us a nation of curry lovers. 49. Found in humans and most animals, blood is an incredibly important bodily fluid that transports oxygen and various nutrients to our body's cells. At the end of the bundle branches, the electrical impulse goes into the ventricular muscle through the Purkinje Fibers. It is appropriate to visualize the heart as approximately the size of the owner's _________ A. The coronary artery supplies the heart muscles with oxygen and food. 10 things you may not know about your heart. Learn more. The right ventricle pumps blood to the lungs while the left ventricle pumps blood to all other parts of the body. 1st TV: The BBC launched the worlds first ever high-definition regular TV service in 1936, and made its transmitter mast at Alexandra Palace another world-recognised BBC symbol. Atypical chest pain can have cardiac- and noncardiac-related causes. These get blood that comes to the heart. The circulatory system is a system of blood vessels with a pump (the heart) and valves that maintain a one-way flow of blood around the body The heart has four chambers separated into two halves: The right side of the heart pumps blood to the lungs for gas exchange (this is the pulmonary circuit) 92. We have by far known that the hearts function is to keep the cells in the body energized by supplying them with oxygenated blood. BBC Broadcasting House: The UKs first ever purpose built broadcast centre opened in 1932 in the centre of London, called by the press of the day the brain centre of modern civilisation. The heart pumps oxygenated blood through the aorta (the largest artery) at about 1 mile (1.6 km) per hour. 1st black radio producer: Una Marson joined the BBC in 1941, and went on to launch the famous Caribbean Voices radio series. The x-axis reflects time with a recording of the heart sounds. Viruses usually cause these diseases, such as Cytomegalovirus, Coxsackievirus, and the Epstein-Barr virus. The most enduring global sci-fi TV show: Doctor Who began in 1963, devised to fill the gap between Grandstand and Juke Box Jury. (2004). 277 125K views 10 years ago This GCSE BBC Bitesize video is from the original programmes from 2000 that were broadcast on BBC2. It was gloriously rebooted in 2005 by superfan Russell T. Davies. The cardiac cycle as correlated to the ECG. The heart is placed between the lungs. It's also made up several smaller parts that work . Regular 10pm bedtime linked to lower heart risk. For the most serious cases, doctors use surgery to widen arteries, or even bypass blocked sections entirely, the so-called heart bypass surgery. It covers the areas of the Biology foundation paper. Read also: 38 Intriguing Blood Facts You Should Know About. The left bundle branch travels to the left ventricle and the right bundle branch travels to the right ventricle. 34. 40. Our World: The Beatles sang All You Need is Love, commissioned by the BBC, on the worlds first ever live satellite international TV link up, in 1967. Them with oxygenated blood through the heart machines to regulate hearts that can no regulate. In Europe: BBC Two was broadcast in colour in 1967, pioneered by David Attenborough then BBC Controller... Sunao Tawara made breakthroughs in studying the hearts muscles information about blood type, cells, pressure, plasma donation. 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