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4. Ramjet Principle

The entire process of ram ventilation and circulation in a shark becomes more efficient as the shark swims faster. The accelerated process during faster swimming is called the ramjet principle. The ramjet principle helps sharks chase prey without tiring. A shark's blood circulates in a counter-current flow that always moves in the opposite direction of the water, which helps to maximize oxygen absorption from the sea.

Whitetip Reef Shark

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