Question

13. The respiratory organs in cockroach are
A. lungs
B. gills
C. lenticels
D. spiracles
14. Breathing out air is called
A, inspiration B. expiration
C. excretion
D. transpiratio
15. These will affect the rate of respiration
A. Exercise
C. doing work very fast
B. Running
D. All of the above​

Answer 1

13) spiracles

14) exhalation

15) Exercise

Answer 2

Answer:

13. spiracles .

14.expiration.

15all of these