Describe how the body maintains posture.

Body maintains posture as muscular system helps our body to maintain the posture and circulate the blood properly in our body. We hold our body against the gravity in a posture position.

With the help of muscles the 's' shaped spine in our bodies has curves that helps in maintains our posture. For maintaining posture, skeletal muscles are also responsible for maintaining posture.

Flexor muscles and extensor muscles helps us to bend, stand and lift objects.