A Wonderleaf question
Why do we get hungry?
a real page from the book
We get hungry because our bodies need a fresh supply of energy from food. When the easy fuel in your blood begins to dip, your stomach and brain trade chemical messages that make you notice food, feel rumbles, and want to eat.
One of the main messengers is ghrelin, a hormone that rises before meals and nudges the brain’s appetite center. After eating, other signals help tell the brain that energy has arrived, so the hungry feeling fades for a while.
Wonder words
- glucose
- hormone
- ghrelin
- hypothalamus
Try it out
At dinner, name one job your body can do because that meal gives it energy.
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Watercolour scenes, straight answers, about three minutes cover to cover.
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