Answer:
The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture and circulates blood throughout the body. ... Together with the skeletal system, it forms the musculoskeletal system, which is responsible for movement of the human body.
Explanation:
took the quiz
I think it might be flexing. First you tense, which is the flex, then you relax.
I would say its 2. Working with harsh chemicals
Answer: B
Explanation: Sorry if its wrong I am soo sorry i will give you heart and brainly if its wrong
Answer:
life is living in this world and being able to breathe and do many amazing things
Explanation:
that probably sounded so stupid im sorry