Question

fill in the blank 1 point
the diaphragm is made of muscle x. when you breath in the diaphragm answer and when you breath out your diaphragm answer.
relaxed contracts

Explanation:

The diaphragm is a muscle involved in breathing. When inhaling, it contracts to increase the thoracic cavity volume and draw air in. When exhaling, it relaxes to decrease the thoracic cavity volume and expel air.

Answer:

When you breath in the diaphragm contracts and when you breath out your diaphragm relaxes.