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The what is the major abdominal muscle that relaxes when you exhale and contracts when you inhale?

The Diaphram


What allows you to inhale and exhale?

Inhalation requires the contraction of the diaphragm, and exhalation occurs when it relaxes.


What happens to the diaphragm when you inhale and when you exhale?

When the diaphragm contracts and moves lower, the chest cavity enlarges, reducing the pressure outside the lungs. To equalize the pressure, air enters the lungs. When the diaphragm relaxes and moves back up, the elasticity of the lungs and chest wall pushes air out of the lungs.


What is the muscle that stretches across the upper chest?

The thin sheet of muscle is called the diaphragm. It relaxes and contracts to help us inhale and exhale.


What takes place you initate and exhale?

When you inhale, your diaphragm contracts and moves downward, expanding the chest cavity and drawing air into the lungs. The oxygen in the air is then exchanged with carbon dioxide in the blood. When you exhale, the diaphragm relaxes and moves upward, compressing the chest cavity and pushing air out of the lungs.


Can marijuana have a laxative effect?

Yes, it has a relaxing effect. When you inhale oxgen plus marijuana it flexes your organs and relaxes them, thus creating good bowel movement.


When you inhale your diaphragm expands true or false?

False


A muscle contraction means the muscle lengthens as it relaxes true or false?

false


When the diaphragm moves up do you inhale?

No, as you inhale the diaphragm is contracting and pulling down, expanding the lungs. As you breathe out, the muscle relaxes and rises up again.


What is the changes in size of thoracic cavity during the contraction and relaxation of diaphragm?

When the Diaphragm contracts, it is pulled down, and is pulled back up when it relaxes.Also, when you inhale, it contracts. When you exhale, it relaxes.


What is the major abdominal muscle that relaxes when you exhale and contracts when you inhale?

you shall never know this answer because it is for a stupid school thing Type your answer here... DO YOU HAVE TO BE STENGY, I think it the diaphragm hope that is how its spelled


What happens when the diaphragm and the rib cage muscles relax?

The diaphragm relaxes during EXHALATION. Your diaphragm flattens when you inhale, creating more space for the lungs to take in more air.