What is the primary function of most skeletal muscles? To digest food To move the bones of the skeleton To pump blood throughout the body To produce hormones

To move the bones of the skeleton

Where is smooth muscle tissue located? In the brain In the skin Attached to bones In the walls of hollow internal structures

In the walls of hollow internal structures

Biology Study Material: from Chapter 10

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Biology - Anatomy

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Cards in this deck(61)

What is the study of the nature, structure, function, and diseases of the muscles called?

What is the primary function of most skeletal muscles?

Which type of muscle tissue is found only in the heart and is involuntary?

What term describes the heart's ability to beat due to a natural pacemaker?

Where is smooth muscle tissue located?

What is the process called when muscular tissue contracts and produces heat?

What is the ability of muscular tissue to respond to stimuli by producing electrical signals?

What is the ability of muscular tissue to contract forcefully when stimulated by a nerve impulse?

What is the ability of muscular tissue to stretch within limits without being damaged?

What is the ability of muscular tissue to return to its original length and shape after contraction or extension?

What is a sheet of pearly white fibrous tissue that takes the place of a tendon in flat muscles?

What is the thin layer of connective tissue that surrounds each muscle fiber called?

What is a bundle of muscle fibers known as?

What is the dense irregular connective tissue covering the fascicle called?

What binds all muscle fascicles together to form the muscle belly?

What is a band or sheet of fibrous connective tissue that covers, supports, and separates muscle?

What is the term for nerves entering the muscle along with the main blood vessels as a unit?

What are the neurons that stimulate skeletal muscle fibers to contract called?

What is the thread-like extension from the somatic motor neuron called?

What are the most important components of a skeletal muscle?

What is the term for the enlargement of existing muscle cells?

What is the increase in the number of muscle fibers called?

What is the replacement of muscle fibers by fibrous scar tissue known as?

What is the plasma membrane of a muscle fiber called?

What are the thousands of tiny tube-shaped invaginations of the sarcolemma called?

What is the cytoplasm of a muscle fiber known as?

What red-colored protein does the sarcoplasm contain?

What are the contractile elements of skeletal muscle called?

What is a fluid-filled system of membranous sacs that encircles each myofibril?

What are the dilated end sacs of the sarcoplasmic reticulum called?

What is formed by one T tubule and two terminal cisterns on either side of it?

What are the smaller proteins within the myofibrils called?

What extends from Z disc to Z disc in a muscle fiber?

What is the darker middle part of the sarcomere called?

What is the lighter, less dense area that contains thin filaments but no thick filaments called?

What is at the center of each A band?

What are the supporting proteins that hold the thick filaments together at the center of the H band?

Myofibrils are built from which three kinds of proteins?

Which structural protein connects a Z-disc to the M-line of the sarcomere?

Which structural protein forms the M-line of the sarcomere?

Which structural protein wraps around the entire length of each thin filament?

Which structural protein links the thin filaments of the sarcomere to integral membrane proteins in the sarcolemma?

What mechanism explains how skeletal muscle shortens during contraction?

What is the synapse between a somatic motor neuron and a skeletal muscle fiber called?

What is a region where communication occurs between a neuron and a target cell?

What is the small gap that separates two cells in a synapse called?

What type of contraction occurs when the tension in the muscle remains almost constant while the muscle changes its length?

What is it called when the length of a muscle increases during a contraction?

What type of contraction occurs when the tension generated is not enough to exceed the resistance, and the muscle does not change its length?

What type of muscle fibers have a high myoglobin content?

What type of muscle fibers have a low content of myoglobin?

How can you identify thin filaments in relation to their integration with other structures?

What is the ability to repeatedly generate spontaneous action potentials called?

What are the ends of cardiac muscle fibers that connect to neighboring fibers by irregular transverse thickenings of the sarcolemma called?

What do intercalated discs contain that hold fibers together?

What allows muscle action potentials to spread from one muscle fiber to its neighbor?

What is a state of continuous partial contraction in smooth muscle called?

What does the stress-relaxation response allow smooth muscle to do?

From which germ layer are all muscles derived?

What is the contractile protein that is the main component of thin filaments?

What are proteins that help switch the muscle contraction process on and off called?

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Biology Study Material: from Chapter 10

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