. Whales and human being both are mammals and respire through lungs
Whales and human being both are mammals and respire through lungs but a whale can hold in water for a long time but a human cannot because
(a) whale respire under water.
(b) structure of whale and human is different.
(c) whale can take more oxygen at a time.
(d) whales have other organ too for respiration.
Best Answer
(c) whale can take more oxygen at a time
Humans exchange only about 17% to 20% of their lung air with each breath while whales exchange 80% to 90% of their lung air volume with each breath, which helps the whale to retain in water for a long time without breathing.
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