Now a days, every new born gets regular shots of vaccine for polio. It contains _ for polio to make a child immune against this disease.
Correct answer: D. Antigens
- A. Antisera
- B. Antibiotics
- C. Antibodies
- D. Antigens
Explanation
Therefore, the correct answer is D) Antigens, as polio vaccines contain antigens from the poliovirus to induce immunity against the disease. Two distinct antigenic forms of poliovirus exist, designated D and C antigens (Mayer et al., 1957), sometimes referred to as N and H antigens. D antigen is expressed on native infectious viruses and C antigen on non-infectious empty particles.
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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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