Name four types of vitamins. (b) State one deficiency for each of the vitamins named in 6(a)(i). 7. (a) Name four systems in the human body. (b) List three common poisons. (c) State three factors that affect the health of an individual.

Here are the answers to questions 6 and 7:

6. a) (i) Four types of vitamins: I. Vitamin A II. Vitamin C III. Vitamin D IV. Vitamin K

   b) One deficiency for each of the vitamins named in 6(a)(i):
   I. Vitamin A: Night blindness
   II. Vitamin C: Scurvy
   III. Vitamin D: Rickets
   IV. Vitamin K: Impaired blood clotting

7. a) Four systems in the human body: I. Circulatory system II. Respiratory system III. Digestive system IV. Nervous system

   b) Three common poisons:
   I. Lead
   II. Carbon monoxide
   III. Cyanide

   c) Three factors that affect the health of an individual:
   I. Diet and nutrition
   II. Exercise and physical activity
   III. Genetics