Question

describe the mechanism of breathing in humans

Answer 1

mechanism of brathing
in this mechanism many respiratory muscles are help.air enters the lungs because of negative air pressure gradient and because of contaction of diaphram then exchange of gases shouls be done at two levels.
external and internal.

Answer 2

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⭐DETAILED MECHANISM OF BREATHING⭐

✔ Breathing takes place in two steps - Inhalation and Exhalation.

✔ During Inhalation or Inspiration, the ribs are pushed upward and outward and the diaphragm contracts and moves downwards.

✔ During Expiration, the ribs move downward amd inward and the diaphragm relaxes and moves upward to its original position.

✔ During breathing, inspiration causes increase in the space of chest cavity whereas expitation causes decrease in the space of chest cavity.

Now, a question will arise in the mind of the readers. The question is - What type of process is breathing?

➡ In detail we will say Breathing is a physical as well as involuntary process which takes place outside the Body Cells.


One more question will arise. The question is during INHALATION AND EXHALATION, what happens to lungs?

➡ Answer is during inhalation, the lungs expand whereas during exhalation, the lungs contract.




⚡ HOPE YOU ARE ALL CLEAR NOW.

⚡ BE READY TO SOLVE EXERCISES.

✨✨✨✨ ALWAYS BE BRAINLY ✨✨✨✨