Unintentional injury maybe
Answer:
If you are in a bad physical state, for example, you broke your ankle, then you wouldn't be able to exercise. If you were depressed, then you wouldn't want to exercise and you could hurt yourself. And if you were just broken up with then all you would want to do is eat ice cream or lay in bed all day. But if you do exercise then you could hurt yourself because youre not focused on what you are doing.
Explanation:
An example of a mucous membrane is a oral mucous membrane.
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