Question

what do lungs do? select all that apply. they filter blood coming from the digestive system. they adjust the level of salt, water, and minerals in the blood. they provide protection for some of the bodys soft organs. they release carbon dioxide from the body. they detect changes to the bodys environment, such as temperature.

Explanation:

The main function of lungs is gas - exchange, releasing carbon dioxide from the body. The other functions listed are not primary functions of the lungs. Filtering blood from the digestive system is mainly done by the liver. Adjusting salt, water and minerals in the blood is mainly the job of the kidneys. Protecting soft organs is more related to the rib - cage and other structures. Detecting environmental changes like temperature is mainly the role of the skin and other sensory organs.

Answer:

They release carbon dioxide from the body.