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11 Cards in this Set
- Front
- Back
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Name two functions of blood |
* to transport nutrients from digestive system to lungs *To transport waste products to the lungs and urinary system *Transport gases and hormones to cells |
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What is the average number litres of blood in the body a) 8 b) 10 c) 9 |
d) 7 |
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What of the following is not a solid composition of blood a) red blood cells b) white blood cells c) plasma d) platelets |
c) Plasma |
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The oxygen molecules attach to__________ ? |
Haemoglobin. |
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Red blood cells are mainly produced in ______ ________? |
Bone Marrow. |
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Explain the importance of white blood cells. |
Attend areas of infection and disease in an attempt to engulf in invading bodies.
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Explain why having a low platelet count could be hard to stop bleeding. |
Platelets are responsible for clotting, not having many platelets would not be able to stop an abnormal blood flow. |
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What is the only artery that carries deoxygenated blood. |
Pulmonary Artery |
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Explain why Arteries have thicker walls than veins. |
Arteries are under more pressure from the heart beats, while the veins are just flowing blood back to the heart using valves as a one way system. |
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How does the blood become oxygenated and deoxygenated? |
Blood rich in oxygen that travels around the body becomes deoxygenated when the oxygen is transferred in the capillaries into the muscles and tissues where the blood then becomes deoxygenated. After that the blood goes to the lungs to get rid of waste it picks up oxygen and repeat the process. |
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