What is the approximate percentage of oxygen in alveolar air (in $\%$)?
- A$4$
- B$16$
- C$13.6$
- D$78$
Explore More
Similar Questions
Match the partial pressures of oxygen in different parts involved in diffusion compared to the atmosphere.
Column-$I$ Column-$II$ ($PO_2$ in $mm\, Hg$) $P$. Atmospheric air $I$. $159$ $Q$. Tissues $II$. $95$ $R$. Oxygenated blood $III$. $40$
| Column-$I$ | Column-$II$ ($PO_2$ in $mm\, Hg$) |
| $P$. Atmospheric air | $I$. $159$ |
| $Q$. Tissues | $II$. $95$ |
| $R$. Oxygenated blood | $III$. $40$ |
Medium
View SolutionWhich surface of a plant leaf is better adapted for gas exchange?
Medium
View SolutionThe low partial pressure of oxygen $(PO_2)$ in the body cells results in:
Medium
View SolutionWhat is the partial pressure of oxygen $(pO_2)$ in the alveoli of the lungs compared to the blood?
Medium
View SolutionThe number of $RBC$ in a man increases if he lives at a higher altitude because:
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo