I'm pretty sure you can do it on both but a child would be safer to do cpr on to me because, on an infant their insides are still really fragile so you don't wanna press to hard :)
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Answer:
B, False
Explanation:
There are many problems that our muscle system can face, like muscle disorders, which can cause pain, weakness and even paralysis. Our muscles are strong but they're not THAT strong.
Hope this helps! :)
