Our biological clocks make us feel most sleepy from 10pm-4am brainly.com lol
Answer:
Maintaining an unhealthy weight would cause stress on the body, but maintaining a healthy weight does not.
Explanation:
I play tennis lots and am a very hard core athlete. Unfortunately static is not the answer. Static is what you want to do after a workout. Before you start a Workout, you want stretch in a way to loosen your muscles up and warm your body up in general. This will require moving around. We can eliminates static and all of the above. Therefore it’s you choice between A and B. You can do it! Use the information I gave you and use it toward your answer. Trust me, learning the information will help you in the long run! Good luck!
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I’m going to say a motorcycle
Answer: Refractory period of the cardiac action potential
Explanation:
Unlike the skeletal muscle which can be reactivated before it reaches a contraction, cardiac muscle must wait before it is almost completely relaxed to be activated again (because of its long refractory period), so one cannot make an increase in strength of contraction with a high frequency of stimulations.
