Lower body muscles are designed to help the (5 points) A. body sit and stand comfortably
B. digestive system operate efficiently
C. upper spine maintain strength
D. heart provide oxygen to muscles and tissue

C. upper spine maintain strength

Explanation:

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;

5 make a schedule.

2 break up the project into simpler tasks.

3 prioritize tasks.

1 create an action plan.

4 delegate work\

i think this is in order. hope it : )