Answer:
Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. ... There, the food is churned into a liquid mixture called chyme that moves into the small intestine where peristalsis continues. Stretching out a piece of intestine will make it easier to see the wave-like motion
Answer:
In plant cells, osmotic pressure can cause changes in the size of the central vacuole, which shrinks or swells as water moves into or out of the cell.
Explanation:
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Answer: By us people breathing in oxygen and breathing out carbon dioxide.
Answer:
The forces are unbalanced, and the dog’s force is greater than the boy's force.
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