The fact that whales are not fish, of course, known to every schoolboy. They breathe air. Female whales give birth under water to live young and feed them milk. They even have a little bit of hair. In short, Keith is a typical warm-blooded mammal. But, at the same time, this is the strangest of all mammals. 10th place: sperm Whales can dive to a depth of 1000 meters. The pressure at that depth is 100 times greater than the pressure on the surface.
9th place: When diving the pulse of the whale falls to ten beats per minute and blood ceases to flow into the vessels of the fins, skin, tail. It nourishes the brain and heart. Continue reading