William harvey discovered circulation. first, as he tightened a bandage around an arm, he noticed that the fingers turned blue and cold. then, he used a less tight bandage and noticed that the hand swelled. with further research, what conclusion could he make?

It can be said that a conclusion of Harvey is that blood flows in only one direction and this blood contains oxygen and nutrients

Explanation:

It is known that blood carries oxygen and all nutrients through the body, so that cells use these compounds to live. When Harvey placed the bandage tightly over his hand, this bandage cut off all the blood circulation, therefore, the blood was not able to carry oxygen and the necessary nutrients to the cells of the hand, with the result that the fingers were blue and cold. This was improved when he loosened the bandage

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