How Do We Know When We Are Hungry?
How Do We Know When We Are Hungry? Hunger begins when substances like glucose (sugar), minerals, vitamins, and amino acids are missing from the blood. Nerves in the...
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Why Do You Blush?
The way you feel can affect your body. If you should feel ashamed or embarrassed about something, you might blush. When you blush, your brain sends signals to tiny...
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What Are the Hormones That Affect Your Appetite?
What Are the Hormones That Affect Your Appetite? Modern research is showing that several varying hormones transmit or dampen hunger signals, which directly and...
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Why Do We See Stars When We Bump Our Heads?
Why Do We See Stars When We Bump Our Heads? The “Stars” we see if we receive a hard blow on the head are really a sensation of light caused by the nerves of the eye....
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Why Do We Get Goose Bumps?
Goose bumps, also known as goose flesh or goose pimples, are caused by tiny muscles in the skin. These muscles are around each of the hairs that cover our body. When...
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