Regularly scheduled exercise can do all of those depending on what /how you do it and who you are.
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Injury to themselves and others, and the risk of becoming overheated quicker than someone who is not special needs.
I am not 100% sure but i have an idea for the first box, In the circulatory system, blood is pumped into veins that carry the blood to tissues in your body. I really hope this helped you and was correct.
