Why Do We Turn White When Frightened?
Why Do We Turn White When Frightened? We turn white when we are frightened because the blood in our cheeks is diverted to do a more urgent job. At the same time our...
Read MoreWhy Do We Turn White When Frightened? We turn white when we are frightened because the blood in our cheeks is diverted to do a more urgent job. At the same time our...
Read MoreHow Does the Heart Work? The heart, which is a muscular pump, beats about 72 times a minute through a continuous and automatic process of muscular contraction and...
Read MoreWhat Is an Extracorporeal Membrane Heart Assist Device? An extracorporeal medical procedure is one which is performed outside the body. An extracorporeal membrane heart...
Read MoreHow Do Cats Purr, and Why Do They Do It? A cat’s purr starts as vibrations in the blood vessels of the chest, around the heart. The vibrations travel up the air...
Read MoreDo Insects Have Blood? Yes. Not only does an insect have blood, it also has a heart that pumps the blood throughout its body. The heart is a tube-shaped vessel...
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