There are many different systems involved in when we exercise, the three main ones are the Respiratory system which is involved in breathing the circulatory system which is about circulation of blood around the body and finally the muscular system and finally the Muscular system which is about how we move.
Explanation:
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Answer:
Between 1974 and 2011, the NFL moved the kickoff line three times. Each adjustment was carefully considered and made solely in response to circumstances and trends at the time.
In 2009, the rules were modified to prevent three or more defensive players from forming a wedge to block for the return man on kickoff returns. This change, aimed at reducing injuries, came about only after the Competition Committee members had meticulously examined hours of film of kickoffs.
Explanation:
Making physical activity fun, ex: include free games like tag, add playground time.
Answer:
food energy (filler space)
Explanation: