Multiple Choice
Which statement about insect respiration is false?
A) Spiracles are the internal air tubes that carry the respiratory gases.
B) Because O2 diffuses more quickly in air than in water,the insect respiratory system is highly efficient.
C) Tracheae have such extensive branching that they come close to every cell.
D) Air sacs found in many insects can be used to ventilate the tracheae.
E) Tracheae are lined with chitin.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: The gas exchange membranes of an animal
Q3: If the partial pressure of oxygen in
Q4: Many tiny _ are believed to breathe
Q5: Suppose the partial pressure of oxygen is
Q6: If the thoracic wall is punctured,air leaking
Q7: As water exits the gill cavity of
Q8: Which statement about gills is false?<br>A) The
Q9: Which statement about the air sacs of
Q10: In mammals,centers in the brain that generate
Q11: Which statement about human breathing is true?<br>A)