$A =$ Gas exchange continues non-stop in the lungs even during exhalation.
$R =$ Lungs have residual air.

  • A
    $A$ is true and $R$ is false.
  • B
    $A$ is false and $R$ is true.
  • C
    Both $A$ and $R$ are true.
  • D
    Both $A$ and $R$ are false.

Explore More

Similar Questions

The lungs are made up of air-filled sacs,the alveoli. They do not collapse even after forceful expiration because of:

Listed below are four respiratory capacities and four respiratory volumes of a normal human adult.
Respiratory CapacitiesRespiratory Volumes
$(i)$ $RV$$2500$ mL
(ii) $VC$$2500$-$3000$ mL
(iii) $IRV$$1100$-$1200$ mL
(iv) $IC$$4500$ mL

Which one of the following is the correct matching of two capacities and volumes?

What is Tidal volume? Find out the Tidal volume (approximate value) for a healthy human in an hour.

State the volume of air remaining in the lungs after a normal breathing.

Functional residual capacity $(FRC)$ includes:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo