Tissue rejection is executed by:
Correct answer: D. T-lymphocytes
- A. Both B and T lymphocytes
- B. Monocytes
- C. B-lymphocytes
- D. T-lymphocytes
Explanation
This type of rejection occurs within days or weeks of transplantation. It is caused by T cells, which are a type of white blood cell that plays a role in the immune response. T cells recognize the transplanted tissue or organ as foreign and attack it.
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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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