Muscles & Muscle Contraction

Front

What type of muscle is found attached to bones throughout the body?

Back

Skeletal muscle.

Front

What are the three types of muscles in the human body?

Back

Skeletal, smooth, and cardiac.

Front

What is the smallest functional unit of a muscle fiber?

Back

Myofibril.

Front

What is the role of a tendon in the muscular system?

Back

A tendon is a strong connective tissue that attaches muscle to bone.

Front

Order the following from largest to smallest: muscle, muscle fascicle, muscle cell, myofibril, filaments.

Back

Muscle, muscle fascicle, muscle cell, myofibril, filaments.

Front

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

Back

Cardiac muscle.

Front

What type of muscle is responsible for involuntary movements in organs?

Back

Smooth muscle.

Front

What is the function of muscle fibers?

Back

Muscle fibers contract to produce movement.

Front

What is the basic contractile unit of a muscle called?

Back

Sarcomere.

Front

What is the role of calcium ions in muscle contraction?

Back

Calcium ions trigger the interaction between actin and myosin, leading to contraction.