Answer:
The answer is rhythmic contraction of the uterus wall.
Explanation:
this is because when muscle is overly used, it brings about contraction
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Answer:
Blood sugar, also known as blood glucose, comes from the food you eat. Your body creates blood sugar by digesting some food into a sugar that circulates in your bloodstream. Blood sugar is used for energy. The sugar that isn't needed to fuel your body right away gets stored in cells for later use.
Explanation:
