Question

lo 4.2. what is the trachea? a tube that connects the heart to the mouth and nose. a tube that connects the lungs to the mouth and nose. a tube that connects the kidneys to the mouth and nose. a tube that connects the brain to the mouth and nose. a tube that connects the stomach to the mouth and nose.

Explanation:

The trachea is part of the respiratory system. The heart is part of the circulatory system, the kidneys are part of the excretory system, the brain is part of the nervous system, and the stomach is part of the digestive system. The trachea's function is to connect the lungs (the main organs of the respiratory system) to the mouth and nose (the entry points for air in the respiratory system).

Answer:

A tube that connects the lungs to the mouth and nose.