Mechanism of Breathing in Humans
Mechanism of Breathing in Humans: Overview
This Topic covers sub-topics such as Spirometer, Mechanism of Breathing, Intercostal Muscles, External Intercostal Muscles, Internal Intercostal Muscles and, Phrenic Muscles
Important Questions on Mechanism of Breathing in Humans
The _____ intercostal muscles contract at the time of forceful expiration.

Phrenic muscles are present in the _____ (diaphragm/sternum) helps to maintain the volume of thoracic chamber.

Intercostal muscle is of _____ (two/three) types.

Mark the true statement among the following with reference to normal breathing

During rest, the metabolic needs of the body are at their minimum. Which of the following is indicative of this situation

Breathing differs from respiration by

Respiration is the physiological process in which

Exhalation is the process of expulsion of air through the respiratory tract. Which figure correctly shows the process of exhalation

Lung ventilation movements are due to

Which one of the following is called inspiratory muscle in mammals?

During inspiration, the diaphragm

During expiration the diaphragm becomes

Which of the following statements is correct?

Which structures are responsible for the breathing process?

During inspiration

In expiration, diaphragm becomes

The rate of breathing in an adult during resting condition is

What happens during expiration?

What happens during inspiration?

During inspiration through abdominal normal breathing, the muscles involved are?
