Many cetaceans can extract almost 90% of the oxygen from each breath.

Name: Many cetaceans can extract almost 90% of the oxygen from each breath.
Brand: Quizplus
Rating: 4.8 (40 reviews)

Question

Quizplus · Accepted Answer

This statement is true. Cetaceans have evolved a variety of physiological adaptations, including having larger lungs and higher amounts of oxygen-carrying molecules in their blood, that allow them to extract more oxygen from each breath. This allows them to remain underwater for longer periods of time without needing to surface to breathe.

Many Cetaceans Can Extract Almost 90% of the Oxygen from Each