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Inhalation and Exhalation

Inhalation an...

Question

Inhalation and Exhalation are a result of combined action of thoracic cavity and diaphragms.

A

True

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B

False

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Solution

The correct option is A
True

During inhalation, the diaphragm pushes down and increase the size of the thoracic cavity thus letting the air in. During exhalation, the exact opposite happens.

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Q. Inhalation and exhalation are a result of combined action of thoracic cavity and diaphragms. State whether the statement is true or false. Justify your answer

Q. Select the option that best fills the missing gaps about inhalation and exhalation.

	Inhalation	Exhalation
Diaphragm	(A)	(B)
Intrapulmonary volume	(C)	Decreases
Intrapulmonary pressure	Decreases	(D)

Q. State whether the following statements are true or false:
Statement 1: One breath means one inhalation and one exhalation.
Statement 2: The size of the chest cavity decreases during exhalation.

Q. Which of the following increases area of thoracic cavity during inhalation?

Statement 1: Diaphragm is a muscular wall.
Statement 2: Diaphragm separates the thoracic and abdominal cavities.

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