QUESTION 3

For the seven descriptions below, first select the descriptor's radio button, then click on the appropriate structure on the image in the left frame.

Site of gas exchange when the frog is breathing air.
Major organ for interconversion of biochemicals in the body.
Storage organ for bile produced by the liver.
Relatively short in the adult frog because of its carnivorous diet.
Collects and coats eggs with a gelatinous covering; transmits eggs to the cloaca.
Blood storage organ associated with the immune system.
Section of the digestive system that becomes the cloaca.

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