_________ are the respiratory organs in whales.

Whales:

1. Whales are mammals which are found in the oceans and are considered to be the largest animals on the planet.

Lungs:

1. Since whales are mammals, the gaseous exchange occurs in them through the lungs.
2. Lungs are responsible for the exchange of gases as well as the protection of the body against various pathogens.
3. These animals are not capable of breathing underwater and usually come up to the surface to breathe.

Final answer: Lungs are the respiratory organs in whales.