Question

what does the liver do? select all that apply. it breaks down toxins in the blood. it is a tube that allows air to pass into and then out of the body. it adjusts the level of salt, water, and minerals in the blood. it filters blood coming from the digestive system. it provides a barrier against contaminants found in the environment.

Explanation:

The liver is an important organ with multiple functions. It detoxifies the blood by breaking - down toxins. It filters blood from the digestive system. It also helps in regulating the levels of salt, water, and minerals in the blood. However, the description of it being a tube for air passage and a barrier against environmental contaminants is incorrect. The trachea is the tube for air passage and the skin is a major barrier against environmental contaminants.

Answer:

It breaks down toxins in the blood.
It adjusts the level of salt, water, and minerals in the blood.
It filters blood coming from the digestive system.