Return of lymph from lower leg is assisted by:
Correct answer: C. Calf muscles
- A. Lymph nodes
- B. Venous valves
- C. Calf muscles
- D. Cytokines
Explanation
Lymph movement is controlled by the contraction of skeletal muscles. The calf muscles are skeletal muscles in lower limbs that will assist the movement of lymph.
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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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