About 55% of the volume of human blood is:
Correct answer: A. Plasma
- A. Plasma
- B. Blood cells
- C. Blood Protein
- D. A and B
Explanation
About 55% of the volume of human blood is plasma. Plasma is the liquid component of blood that makes up the majority of its volume. It contains water, electrolytes, hormones, waste products, and various proteins.
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About Digestion
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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