Answer:
True ( in my option)
Explanation:
I took gym for 6 years of my school life and what I learn from those classes was to keep your back straight when you do any excrice because that would keep your back straight when your not doing excrice. I hope you like my answer.
A.the intensity of the activity
Answer:
Aheart attack is a build up of cholestorol that prevents the blood from flowing through the body which leads to cardiac arrest.
Explanation:
