Here, weâre concerned, like Lord Chesterfield, with âthe average cat.â On average, female cats live one to two years longer than male cats. On average, indoor cats live longer than outdoor cats. On average, wild, homeless, and feral cats live dramatically shorter lives than domestic cats.
During contraction, myosin heads bind to actin molecules of the. thin filaments. Flexing of the myosin heads pulls the thin filaments over the thick. filaments - shortening the sarcomere. Muscle contraction requires.
How do our bones move? Bones cannot move without muscles. Most muscles (like those in our arms and legs) work in pairs â one muscle contracts as the other one relaxes. The bone is pulled towards the contracted muscle. Muscles are attached to bone by tendons. How are bones joined together? The place where two or more bones meet is called a joint.