1) Main protective system of the human body include : a) Nose, hair, nail and eye b) Nail, gland, nose and ear c) Hair, skin, nail and gland d) Hair, nose, eye and skin 2) It is the outer layer and contains melanin cells (skin color). a) Epidermis b) Dermis c) Hypodermis 3) It is the middle layer and has blood vessels, nerves, hair follicles & sweat glands a) Epidermis b) Dermis c) Hypodermis 4) It is the bottom layer and has fat cells, blood vessels, nerves and connective tissue. a) Hypodermis b) Epidermis c) Dermis 5) During exercise, sweat glands produce sweat which cools the body through the process of evaporation. a) True b) Flase 6) Severe dehydration due to physical activity does not directly affect skin health. a) True b) False 7) Exposure to UV rays during outdoor sports only causes sunburn and is not associated with the risk of skin cancer. a) True b) False 8) The following are injuries to the skin system, except a) Abration b) Laceration c) Fever d) Wound

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