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After all, as any textbook will tell you, when an animal dies, soft tissues such as blood vessels, muscle and skin ... paleontologist Jack Horner, of the Museum of the Rockies, now an affiliate ...
Rascher was said to dissect victims' brains while they were still alive to show that high-altitude sickness resulted from the formation of tiny air bubbles in the blood vessels of a certain part ...
It is returned to the heart in the veins. The capillaries connect the two types of blood vessel, and molecules are exchanged between the blood and the cells across their walls.
Inside you, there is an amazing network of blood vessels, the tubes that carry blood all around your body. Every part of the body needs oxygen, food and water. The blood vessels are a bit like ...