Britannica Quiz Facts You Should Know: The Human Body Quiz Rotation is one of the most-important actions of the cervical (neck) spine. Rotation is accomplished primarily by the sternocleidomastoid muscle, which bends the neck to the ipsilateral side and rotates the neck contralaterally. Together...
Type IIb fibers have the fastest rate of ATPase activity and are found in muscles used for short, rapid bursts of contraction such as the gastrocnemius, a muscle in the leg that is used in jumping. Want to test your knowledge of muscle tissue? Try our tissue quizzes and free labeling ...
Quiz: Structure of Skeletal Muscle In order for muscles to contract, they need calcium ions. Muscle cells have an organelle that stores the needed calcium ions. This organelle is called ___. fascia sarcolemma sarcoplasmic reticulum 1/5 Next...
Muscles are made of elastic tissues and are flexible and they work like a rubber band. Some muscles attach to your bones bytendonshelping the skeleton to move by relaxing and contracting them. When the muscle contracts, the muscles bulge like biceps, and when they relax, they return back to...