Answer:
The skin
Digestive tract
Vagina
Mucous membrane
Explanation:
The skin prevents microbes from entering the body
Digestive tract e.g. stomach acid is a natural defence mechanism
The vagina is acidic and this prevents harmful bacteria from growing with it's own flora.
Mucous membranes e.g. lining of the mouth, nose, eyelids are all defense mechanisms.
Zinc is the answer yeah its tight
Answer:
For adult, compress the chest to a depth of at least 2 inches. For a child, compress to a depth of about 2 inches. For an infant compress to a depth of 1 ½ inches.
Explanation: