8685548
Descrição
FlashCards por Alija Shahi, atualizado more than 1 year ago
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Criado por Alija Shahi
mais de 7 anos atrás
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| Questão | Responda |
| Why is blood in arteries under pressure? | 1. Because of contraction of heart muscles 2. So that it reaches all parts of the body |
| What are the factors that increase the risk of developing heart disease? | 1. High blood pressure 2. Smoking 3. Eating high levels of salt 4. Eating high levels of saturated fat |
| How does cholesterol restrict or block blood flow in arteries? | Eating high levels of saturated fat leads to a build up of cholesterol (plaque) in the arteries: you do need some cholesterol for the making of the cell membrane, but, too much can restrict or block blood flow, so the oxygen supply to the heart is limited |
| What do blood pressure measurements consist of? | The systolic (lowest pressure) and diastolic (highest pressure) data in mmHg (millimetres of mercury). The systolic data is the number on top and the diastolic data is the number at the bottom |
| What are the factors that increase blood pressure? | 1. Being overweight 2. Stress 3. Drinking too much alcohol 4. Smoking |
| What factors decrease blood pressure? | 1. Balanced diet 2. Regular exercise |
| What is the difference between fitness and health? | Fitness is the ability to perform physical tasks whereas health is the state being free from disease and infections |
| How can fitness be measured in different ways? | 1. Strength 2. Stamina 3. Flexibility (range of movement) 4. Agility 5. Speed 6. Cardiovascular efficiency (having an efficient heart and normal blood pressure) To measure some of these, you'll need specialist equipment (e.g. blood pressure monitors) |
| How does smoking increase blood pressure? | 1. Carbon monoxide reduces the oxygen-carrying capacity of the blood so heart rate increases to compensate 2. Nicotine increases the heart rate |
| How can diet increase the risk of heart disease? | 1. Saturated fats leading to a build up of cholesterol (plaque) in arteries 2. High levels of salt raise blood pressure because it retains water |
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