Exam 8: Muscular System

Muscle fatigue results from a combination of insufficient calcium and an excess of acetylcholine.

A skeletal muscle cell is also called a skeletal muscle _____________.

This structure of a skeletal muscle cell extends from Z line to Z line.

A motor neuron and all the muscle cells it stimulates is called a

Neurons communicate with muscle cells by releasing chemicals called ____________.

Layers of dense connective tissue that separate and support individual muscles are called

The functional connection between a neuron and a muscle cell is called a

A broad sheet of dense connective tissue that connects muscle to muscle is called a(n)____________.

When acetylcholine binds to its receptors in the muscle fiber membrane,the membrane becomes more permeable to

Cardiac muscle is located in the walls of blood vessels.

The minimal strength of stimulation needed to elicit a muscle contraction is called the threshold stimulus.

A mass of dense connective tissue that connects a skeletal muscle to a bone is called a

Anaerobic muscle fatigue is most likely due to an accumulation of __________.

Neurons that control effectors are called sensory neurons.

The rectus femoris muscle

Functions of muscle include

Multiunit smooth muscle

Neurotransmitter molecules are stored in vesicles within

An example of a partial but sustained contraction of a whole muscle is

Binding sites on the surface of actin allow the formation of cross bridges with molecules of