Answer:
Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.
Explanation:
There’s not much you can do but call the cops on him or try bringing a guy bigger than him to her house when she’s getting abused by him or get her a tazor or pepper spray
Physical activity and Protein intake.
Answer:
muscular system help to protect our body system.
It also protect our body system from direct contact of germs.
