Muscles & Muscle Contraction

Front

What is the largest structure in the hierarchy of muscle organization?

Back

Muscle

Front

What is the order of muscle structures from largest to smallest?

Back

Muscle, muscle fascicle, muscle cell, myofibril, filaments

Front

What is a tendon?

Back

A strong connective tissue that attaches muscle to bone.

Front

What is the function of smooth muscle?

Back

To move materials through contractions.

Front

What type of muscle is found in the walls of hollow organs?

Back

Smooth muscle.

Front

What is a muscle fascicle?

Back

A bundle of muscle fibers (muscle cells).

Front

What are myofibrils?

Back

Long, thread-like structures within muscle cells that contain the contractile proteins.

Front

What are filaments in muscle tissue?

Back

The smallest structures in muscle, consisting of actin and myosin proteins that enable contraction.

Front

What type of muscle is responsible for voluntary movements?

Back

Skeletal muscle.

Front

What type of muscle is involuntary and found in the heart?

Back

Cardiac muscle.