Multiple choice

Which of the following statements is/are false?

a. The expansion of diaphragm decreases the volume of thoracic chamber in the antero-posterior axis. b. On an average, 1100 mL to 1200 mL volume of air remains in the lungs even after a forcible expiration. c. Humans can increase the strength of breathing with the help of additional muscles in the abdomen.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option as this statement is false. The contraction of diaphragm increases the volume of thoracic chamber in the antero-posterior axis.