Exam 10: Muscle Tissue and Organization

Parallel muscles exhibit great strength but little endurance.

The biceps brachii is an example of a ________ muscle.

With increased age,skeletal muscles show

In the hierarchy of skeletal muscle fiber components,the myofibril is made up of myofilaments.

Smooth muscle tissue is found in the organs of the digestive tract,the walls of blood vessels,and the iris.

The tension produced by a muscle fiber is directly proportional to the number of sarcomeres it contains.

The smallest sized member of a group of muscles may have ____________ as part of its name.

The junction between an axon and the muscle fiber itself is called a _____________ junction.

A sphincter has

During skeletal muscle fiber contraction,the I bands and H zones narrow.

A(n)_____________ is a muscle whose actions oppose those of the agonist.

The embryonic-like cells that remain in adult skeletal muscle tissue are known as satellite cells.

Skeletal muscle helps regulate body temperature.

When a muscle is isometrically contracted,its length _______ change.

When muscle tension is greater than the resistance (weight),movement ______ occur.

The fat and connective tissue that encircle a beef steak form the endomysium.

The ability of a contracted muscle to recoil to its resting length when the applied tension is removed is called _______________.

A muscle whose name has "orbicularis" in it is _______ in appearance.

The fascicles of a pennate muscle are at an oblique angle to the tendon.

In addition to the thin filaments in I bands,there are protein filaments called ____________ that play a role in muscle elasticity.