Muscle

Front

What structure allows the impulse that triggers a contraction to travel deep into a muscle fiber?

Back

Transverse Tubules

Front

What two chemicals are necessary for muscle contraction to occur?

Back

Calcium and ATP

Front

What is the name of the thick filaments in muscle fibers?

Back

Myosin

Front

Where is smooth muscle primarily found in the body?

Back

In the walls of the stomach and intestines.

Front

What role does calcium play in muscle contraction?

Back

Calcium triggers the binding of myosin to actin.

Front

What are the two main types of muscle tissue?

Back

Skeletal muscle and smooth muscle.

Front

What is the primary function of skeletal muscle?

Back

To facilitate voluntary movement of the body.

Front

What is the role of ATP in muscle contraction?

Back

ATP provides the energy required for muscle contraction.

Front

What is the difference between voluntary and involuntary muscle?

Back

Voluntary muscle is under conscious control, while involuntary muscle is not.

Front

What is the function of the sarcoplasmic reticulum in muscle cells?

Back

It stores and releases calcium ions during muscle contraction.