Biology, asked by mulintikeshavareddy, 9 months ago

perform an experiment to observe blood tissue ​

Answers

Answered by UrBabee
11

Explanation:

by methalene blue....cheek tissue. ...

Answered by yadhukrishnants2002
3

Explanation:

You can check your heart beat by putting your hand on ur heart or on other hand by counting the beats in one min if your normal your heart rate will be 72

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