Why Do Nine-banded Armadillos Jump?
The nine-banded armadillo stands out as the only armadillo species capable of leaping straight up into the air, reaching heights of about three to…
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Reflex
Does Your Heart Stop When You Sneeze?
No, your heart does not stop when you sneeze. When you sneeze, the intrathoracic pressure in your body momentarily increases, which decreases the blood…
What Are Tears?
What Are Tears? Tears are made of salt water, as you will know if you have ever licked a finger after wiping them away. They happen when the
What Causes Goose Pimples?
What Causes Goose Pimples? Sometimes when we are cold or frightened, little bumps, called goose pimples, form on our skin. We may also get a
Why Do You Shiver When You Are Cold?
Why Do You Shiver When You Are Cold? When your body gets cold you can help it warm up by doing some kind of exercise. If you do not do that,