Multiple choice

Which of the following statements is incorrect about cockroaches?

  1. Inspiration is a passive process.

  2. Expiration is a passive process.

  3. Taenidiae are absent in tracheoles.

  4. Atrium leads into trachea.

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

This statement is incorrect. Expiration is an active process.