Anatomy Cornell Notes Muscular System

Front

What are myofilaments?

Back

Myofilaments are the filaments of myofibrils, constructed from proteins, and are responsible for muscle contraction.

Front

How are myofilaments arranged during muscle contraction?

Back

They are attached at a Z-line, forming the sarcomere.

Front

What is ATP?

Back

ATP (adenosine triphosphate) is a molecule that carries energy within cells.

Front

How is ATP formed in the body?

Back

ATP is formed through cellular respiration.

Front

What role does ATP play in muscle contractions?

Back

ATP is used as a unit of energy for muscle contraction.

Front

What is the origin of a muscle?

Back

The origin is the attachment of the tendon to the more stationary bone.

Front

What is the insertion of a muscle?

Back

The insertion is the attachment of the tendon to the bone that moves.

Front

What is a sarcomere?

Back

A sarcomere is the basic unit of a muscle's striated muscle tissue.

Front

What is the function of tendons?

Back

Tendons connect muscles to bones.

Front

What is the muscular system?

Back

The muscular system is the organ system that enables humans and other animals to move using the muscular system.