WebSkeletal muscles initiate and stop movement. When these muscles contract, they shorten and pull on your bone, making it move. Skeletal muscles at openings allow you to chew, swallow, urinate, or ... WebSmooth muscle is responsible for contractions that cannot be voluntarily controlled, such as in the walls of the digestive system and arteries. Cardiac muscle forms the wall of the heart and contracts to allow the heart to pump blood around our body. Its properties are similar to that of skeletal muscle, but its actions are not voluntary.

How do your muscles work? - BBC Bitesize

WebWhen a muscle relaxes, it goes back to its normal size. Muscles can only pull and cannot push. Therefore muscles have to work in pairs to move a joint. One muscle will contract … WebUsing a skeleton, elastic bands and rubber gloves, presenter Zoe demonstrates to a group of children how our muscles and bones allow our body to move.We hear... relsheba

How do your muscles work? - BBC Bitesize

WebThere are three types of muscle in the body: smooth muscle – found in the internal organs and blood vessels - this is involuntary cardiac muscle – found only in the heart - this is... Web25 Oct 2007 · When you move your arm, the bicep contracts while the triceps muscle relaxes. The bicep pulls the bones together, bending the arm. The reverse happens when … Web25 Oct 2007 · When you move your arm, the bicep contracts while the triceps muscle relaxes. The bicep pulls the bones together, bending the arm. The reverse happens when the arm straightens. Muscles can only... professional hair cleanser treatment