give reason
a) the motion of a bus going from one city to another is an example of non-unniform motion
b) the wall of the artery is thick and elastic
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Explanation:
1. in a crowded road moving through different traffic conditions.
2.: The wall of the arteries is made up of elastic cells and muscular cells. The thickness is provided by these cells so that the arteries can withstand the pressure of blood flow from the heart. Also, the arteries maintain a significant pressure drop to allow the flow to reach extreme portions of the body.
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