Exam 6: The Muscular System

Red muscle fibers are red because they contain large amounts of ____.

Which muscle extends the leg at the knee?

The term that describes the banding pattern in skeletal and cardiac muscle is ____________________.

Which muscle extends the hip when walking and climbing?

Which muscle is the "calf muscle"?

Which protein blocks the interaction sites that produce skeletal muscle contraction?

The ____________________ convey electrical impulses towards the interior of skeletal muscles cells.

Which muscles are involuntary?

The motor neuron releases acetylcholine into the ____________________ to initiate a muscle contraction.

In a contracted sarcomere, ____.

The nerve cell that controls skeletal muscle contraction is the ____.

To stand upright for a long period of time without moving, the muscles of the back must produce which type of contraction?

The motor neuron and the muscle fibers it controls are known as a ____.

A muscle ____________________ is a sudden, isolated involuntary contraction.

The theory that describes how skeletal muscles contract is the ____.

Which system relies on the activity of both skeletal and smooth muscle?

Which muscles are found in the walls of small blood vessels and airways?