Question

what does the skin do? select all that apply. it provides a barrier against contaminants found in the environment. it releases excess water, salt, and other waste from the body in the form of sweat. it adjusts the level of salt, water, and minerals in the blood. it filters blood coming from the digestive system. it breaks down toxins in the blood.

Explanation:

The skin acts as a physical barrier against environmental contaminants. It has sweat - glands that release excess water, salt, and waste. It also helps in maintaining the balance of salt, water, and minerals in the blood. However, filtering blood from the digestive system and breaking down toxins in the blood are mainly functions of the liver, not the skin.

Answer:

It provides a barrier against contaminants found in the environment.
It releases excess water, salt, and other waste from the body in the form of sweat.
It adjusts the level of salt, water, and minerals in the blood.