Arrector pili muscle is the one with hair follicles that has a smooth muscle which is in an unconscious control rather than conscious control. This pull up the follicle causing the goose bumps then. Hope this is the right answer and will be of big help then.
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The question there is really blur and it's hard to understand..
Answer: when females involve themselves in to physical education ,it will be difficult for them to give birth.
Explanation: Research has shown that, females that do more exercises are able to give birth without any difficulties.
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you know now when i think about it- it kinda is-
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