Muscle Structure & Function

Front

What neurotransmitter signals muscle contraction?

Back

Ach (acetylcholine)

Front

What sends a message to the muscle cell to initiate skeletal muscle contraction?

Back

Neuron

Front

What can muscles do?

Back

Muscles can only pull; they cannot push.

Front

What is the function of endomysium?

Back

The function of endomysium is to provide support and protection to individual muscle fibers.

Front

What is the function of epimysium?

Back

The function of epimysium is to provide support and protection to the muscle fibers.

Front

What are the three types of muscle tissue?

Back

Skeletal, Cardiac, and Smooth.

Front

What is the basic unit of muscle contraction?

Back

Sarcomere.

Front

What protein filaments are involved in muscle contraction?

Back

Actin and Myosin.

Front

What is the role of calcium in muscle contraction?

Back

Calcium ions trigger the interaction between actin and myosin.

Front

What is the term for the connective tissue surrounding a muscle?

Back

Fascia.