Muscles & Muscle Contraction

Front

What is a tendon?

Back

A strong connective tissue that attaches muscle to bone.

Front

How do skeletal muscles work?

Back

Skeletal muscles always work in pairs.

Front

What are the three types of muscles?

Back

Skeletal, smooth, and cardiac.

Front

What is shown in the colored part of a muscle diagram?

Back

Five myofibrils.

Front

What is the length between Z-lines of an actin molecule called?

Back

Sarcomere.

Front

What is the primary function of skeletal muscles?

Back

To facilitate movement by contracting and pulling on bones.

Front

What is the role of smooth muscles?

Back

To control involuntary movements in organs such as the stomach and blood vessels.

Front

What is cardiac muscle?

Back

A type of muscle found only in the heart, responsible for pumping blood.

Front

What is a muscle fiber?

Back

A single muscle cell that can contract and relax.

Front

What is a fascicle?

Back

A bundle of muscle fibers surrounded by connective tissue.