Multiple choice

Which of the following processes takes place during inspiration in a cockroach?

  1. Abdominal spiracles open and thoracic spiracles close.

  2. Thoracic spiracles open and abdominal spiracles close.

  3. Both thoracic and abdominal spiracles open.

  4. Both thoracic and abdominal spiracles are partially open.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During inspiration, thoracic spiracles are kept open and the abdominal spiracles are kept closed.

Keep practicing — related questions