Muscular System Functions and Anatomy Quiz

What is the basic structural and functional unit of the skeletal muscle?

Which part of the muscle fiber contains the T tubules or transverse tubules?

What is the network of protein fibers that forms a stationary anchor for actin myofilaments to attach?

Which part of the muscle fiber contains high concentration of calcium ions important in muscular contraction?

What are the tube-like inward folds of the sarcolemma called?

What is the cytoplasm of the muscle fiber called?

What causes the myosin filaments to move, exposing the attachment site on the actin myofilaments?

What extends from one Z disc to the next Z disc in a muscle fiber?

What is the endoplasmic reticulum of the muscle fiber that contains high concentration of calcium ions important in muscular contraction?

Which bundle of protein filaments are found in the sarcoplasm?

What is the function of the muscular system responsible for overall movement of the body?

Which property of muscle tissue refers to its ability to shorten forcefully or contract and lengthen passively?

What characteristic gives skeletal muscle its name due to the presence of transverse bands or striation?

Which type of muscle is involved in speaking, writing, typing, gesturing, and facial expressions?

What is the capacity of the muscle to respond to a stimulus known as?

Which connective tissue sheath forms the outer covering of the muscle and is subdivided into numerous bundles called fascicles?

What is the capacity of the muscle to be stretched beyond its normal resting length and still be able to contract called?

What is the ability of the muscle to recoil to its original resting length after it has been stretched called?

What constitutes 40% of the total body weight?

What causes constriction that propels food in the digestive tract and regulates blood flow?