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Inspiration

movment of in...

Question

movment of intercostal muscles in the mechanisam of breathing

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Solution

During Inspiration, external inter-costal muscles contract. While during Expiration, expansion of inter-costal muscles takes place.

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Similar questions

Mark the correct pair of muscles involved in normal breathing in humans.

(a) External and internal intercostal muscles

(b) Diaphragm and abdominal muscles

(c) Diaphragm and external intercostal muscles

(d) Diaphragm and intercostal muscles

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Q. How does the respiratory rhythm centre help in regulating the carbon dioxide concentration?
i) It helps to direct the respiratory muscles which leads to decreased or increased breathing rate.
ii) It can send signals to the external intercostal muscles and the diaphragm, to increase the breathing rate and the volume of the lungs during inhalation.
iii) It interacts with the aortic body to increase the respiratory rate.

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Select the correct sequence of words to complete the above paragraph.

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