The spiracles and trachea are structures that enable respiration in insects. Air enters the body through the spiracles and then travels through the trachea. Spiracles are tiny holes in an insect's exoskeleton, and the trachea is a network of tubes.
catches insects and and does respiration.
The structures that enable planarians to expel liquid waste are normally pores. The pores are found on the dorsal surface of the planarians.
it gets nutrients from the insects which it could not from the environment.
Gill
ATP
Chloroplasts
osmosis
A bullfrog has sacculus that enable it to hear. The sacculus are located behind the eyes of the frog.
the palisade layer, spongy layer
wewe
Vessels
tracheal tubes