Question
Question: Air entering lung is- 1\. Warmed 2. Filtered 3\. Deprived of some oxygen 4. Enriched with CO<sub>2...
Air entering lung is-
1. Warmed 2. Filtered
3. Deprived of some oxygen 4. Enriched with CO2
A
1, 2, 3 and 4
B
1 and 2
C
2 and 4
D
2 and 3
Answer
1 and 2