Multiple choice

Tidal volume of mammalian lungs is

  1. the total maximum air that can be drawn into lungs

  2. the air that normally goes in and comes out of the lungs during breathing

  3. the air that is left in the lungs after normal expiration

  4. the air that can be expelled out forcibly after the normal expiration
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tidal volume is defined as the volume of air inspired or expired during a normal, quiet breath.

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