Answer:
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Answer:
D
Explanation:
A sprain is when you stretch/pull or tear a ligament I honestly didn't know what to put here so theres a definition
Answer:
When groups of tissues work together, they are called organs. Some examples of organs are the heart, lungs, skin, and stomach. When organs work together, they are called systems. For example, your heart, lungs, blood, and blood vessels work together. They make up the circulatory system.
Explanation:
As we get older out hearts get slower so It is good to stay active because it keeps your heart rate going and pumping blood throughout out the blood vessels.
