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Diaphragm

Which muscula...

Question

Which muscular part of the body present in the chest cavity helps air to be breathed in and out?

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Solution

Diaphragm is the muscular part of the body present in the chest cavity that helps air to be breathed in and out.

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Q. Which of the following maintains the volume of air in the chest cavity during breathing?

is a muscular partition that helps in breathing by contracting and flattening, thereby increasing the volume of thoracic cavity.

Q. The is a large muscular sheet present at the floor of the chest cavity.

Q. Sneha was asked to explain what happens in our body during breathing. The paragraph that she wrote had several mistakes. Identify the mistakes she made and underline them. this is what she wrote.
During inhalation, the ribs move up and outward and the diaphragm moves in. this movement decrease the space in our chest cavity and the air rushes in. During exhalation, the ribs moves down and inward and the diaphragm moves up. This movement increases the space in our chest cavity and the air is pushed out.

Q. _________ is the muscular sheet separating the chest cavity from the abdominal cavity.

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