MCQ
Which are the gases involved in breathing?
- A$O_2$ and $NO_2$
- B$O_2$ and $SO_2$
- C$O_2$ and $O3$
- ✓$O_2$ and $CO_2$
✓
Answer
Correct option: D.
$O_2$ and $CO_2$
D. $O_2$ and $CO_2$
Explanation:
$O_2$ and $CO_2$ are the gases involved in breathing.
Breathing is the process of inhalation of oxygen and exhalation of carbon dioxide for respiration.
Explanation:
$O_2$ and $CO_2$ are the gases involved in breathing.
Breathing is the process of inhalation of oxygen and exhalation of carbon dioxide for respiration.
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