Question

the integumentary system ________. contributes to the acid - base balance of the blood protects the deep organs from injury and drying out is a site for blood - cell formation breaks down ingested food

Explanation:

The integumentary system, which includes skin, hair, nails etc., acts as a physical barrier. It protects the internal deep - lying organs from physical injury and also prevents them from drying out. The acid - base balance of blood is mainly regulated by the respiratory and urinary systems. Blood - cell formation occurs in bone marrow. The digestive system breaks down ingested food.

Answer:

protects the deep organs from injury and drying out