Answer:
True
Explanation:
When you exercise, your body releases chemicals called endorphins. These endorphins interact with the receptors in your brain that reduce your perception of pain. Endorphins also trigger a positive feeling in the body, similar to that of morphine.
4.a
5.d
those are the only ones i'm 100% sure about.
Answer:
I hope this help! :)
Explanation:
Repetition is repeating a certain exercise. Sets within a workout is how many repeations you do at one time. For example you can do 5 squats, 3 times. The 5 squats are the repeations and the 3 times are the sets. It is important to do reps and sets to build up endurance and gain muscle over time. I hope this helps!
