Assertion: Abdominal muscles is related with respiration in animals.
Reason: Relaxation of abdominal muscles draws in air.

Muscles which help in respiration are

Relaxation of skeletal muscles is due to

Relaxation of skeletal muscles is due to

Which abdominal muscle aids in urination?

Which abdominal muscle aids in urination?

Abdominal muscles play a role in breathing mainly during

Abdominal muscles play a role in breathing mainly during

Assertion: In cockroaches, inspiration is a passive process. Reason: The expansion of abdominal cavity allows the space of expansion of tracheal trunk. As a result, air enter through spiracle.

Assertion: In cockroaches, inspiration is a passive process. Reason: The expansion of abdominal cavity allows the space of expansion of tracheal trunk. As a result, air enter through spiracle.