Question

Muscles that extend from diaphragm to ribs and vertebral colum is
1) Alary muscles
2) Phrenic muscles
2) External intercostal muscles
3) Internal intercostal muscles
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Answer 1

Answer:

Internal intercostal muscle....

Explanation:

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Answer 2

Answer:

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Explanation:

The muscles of respiration are also called the 'breathing pump muscles', they form a complex arrangement in the form of semirigid bellows around the lungs.

All muscles that are attached to the human rib cage have the inherent potential to cause a breathing action.

Muscles that helpful in expanding the thoracic cavity are called the inspiratory muscles because they help in inhalation, while those that compress the thoracic cavity are called expiratory muscles and they induce exhalation. These muscles possess exactly the same basic structure as all other skeletal muscles, and they work in concert to expand or compress the thoracic cavity.

Diaphragm

It's a double-domed sheet of internal skeletal muscle that separates the thoracic cavity from the abdominal cavity.