What is a diaphragm? Explain its role during breathing in humans.
Answers
Answer:
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, thediaphragm contracts and flattens and the chest cavity enlarges.
Undergoes contraction and relaxation, altering the volume of the thoracic cavity and the lungs, producing inspiration and expiration. You just studied 14 terms!
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Explanation:
→ Diapragm is a muscular sheet forming a floor of chest cavity
MOVEMENTS OF DIAPHRAGM WHILE BREATHING
→During Inhalation, Diaphragm moves down and ribs move up
→During Exhalation, Diaphragm moves up and ribs move downwards and inwards