Question

What happens to the diaphragm when a person breathes in or inhales

Answer 1

Answer:  When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale

Explanation:

Answer 2

On inhalation, the diaphragm contracts and flattens, while the chest cavity expands.

Explanation:

• The diaphragm, which is placed beneath the lungs, is the main respiratory muscle. It's a big, dome-shaped muscle that contracts constantly and regularly, and it's mostly involuntary.
• The diaphragm contracts and flattens upon inhalation, while the chest cavity expands. A vacuum is created by this contraction, which sucks air into the lungs. The diaphragm relaxes and returns to its domelike shape during exhalation, forcing air out of the lungs.