Muscular System Anatomy

Front

What type of muscles are skeletal muscles?

Back

Skeletal muscles are voluntary muscles.

Front

What is the gap between the nerve cell and sarcolemma called?

Back

The gap is called the synaptic cleft.

Front

Which types of muscles are involuntary?

Back

Smooth and cardiac muscles are involuntary.

Front

What connective tissue surrounds a fascicle?

Back

The connective tissue that surrounds a fascicle is called perimysium.

Front

What neurotransmitter stimulates the movement of skeletal muscles?

Back

The neurotransmitter is acetylcholine.

Front

What is the primary function of skeletal muscles?

Back

The primary function of skeletal muscles is to facilitate voluntary movement.

Front

What is the role of the sarcolemma in muscle fibers?

Back

The sarcolemma is the cell membrane of a muscle fiber that helps transmit electrical impulses.

Front

What is a motor unit?

Back

A motor unit consists of a motor neuron and the skeletal muscle fibers it innervates.

Front

What is the function of the epimysium?

Back

The epimysium is a connective tissue that surrounds the entire muscle.

Front

What is the difference between smooth and cardiac muscles?

Back

Smooth muscles are involuntary and found in organs, while cardiac muscles are involuntary and found in the heart.