Vaccination is:
Correct answer: B. Artificial active immunity
- A. Natural active immunity
- B. Artificial active immunity
- C. Natural passive immunity
- D. Artificial passive immunity
Explanation
Active immunity is always antigen based while passive immunization is antibodies based.
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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.
Practise Digestion
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