Muscular System

Front

What is the primary energy loss during respiration?

Back

Heat

Front

What chemical do neurons release to stimulate muscle contraction?

Back

Acetylcholine

Front

What connective tissue surrounds fascicles in muscles?

Back

Perimysium

Front

What connective tissue surrounds the entire muscle?

Back

Epimysium

Front

Where does the neuromuscular junction occur?

Back

Between the neuron and muscle fiber

Front

What is the role of acetylcholine in muscle contraction?

Back

It binds to receptors on muscle fibers, triggering contraction.

Front

What is the function of the epimysium?

Back

It protects and surrounds the entire muscle.

Front

What is the function of the perimysium?

Back

It surrounds and groups muscle fibers into fascicles.

Front

What is the function of the endomysium?

Back

It surrounds individual muscle fibers.

Front

What is a sarcomere?

Back

The basic contractile unit of muscle tissue.