Question

8.
During exhalation, ribs :
a) move upwards
b) move outwards c) move downwards d) do not move at all
9.
Respiratory pores present on the body of an insect are :
a) tracheae
b) lenticels c) stomata d) spiracles
10. The respiratory system in cockroach is called the :
a) branchial system b) tracheal system c) pulmonary system d) cutaneous system ​

Answer 1

Answer:

option c

option d

option c

Answer 2

Answer:

move outwards

spiracles

tracheal system