Multiple choice

In which of the following parts is carbon dioxide eliminated and oxygen taken into the body?

  1. Trachea

  2. Alveoli

  3. Buccal cavity

  4. Pharynx

  5. Larynx

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

This is the correct option. In alveoli, carbon dioxide is eliminated and oxygen is taken into the body.