Amount of oxygen absorbed by haemoglobin at 115 mmHg per 100ml of blood is:
Correct answer: D. 19.6ml
- A. 20ml
- B. 16ml
- C. 13.4ml
- D. 19.6ml
Explanation
Factual Recall. When oxygen tension is 115 mmHg mercury haemoglobin is 98% saturated and therefore contains 19.6ml of oxygen per 100ml of blood.
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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