Overview of the Nervous System

The nervous system not only controls voluntary movement by activating skeletal muscle, but it also directs the __________ functions of smooth muscle in internal organs and cardiac muscle in the heart.

• voluntary

• involuntary

• volunteer

• civil

Our __________ are dependent on sensory electrical input from receptors.

• cells

• tissues

• muscles

• senses

There are __________ major divisions of the human body's nervous system.

• 1

• 2

• 3

• 4

CNS stands for...

• Central Nervous System

• Compound Nitrate System

• Computer Networking Science

• Calibasas News Stand

PNS stands for...

• Pancreatic Nitrous System

• Pandemic Neurological Sync

• Peripheral Nervous System

• Porous Nervous System

The Central Nervous System includes the __________ and __________. (multiple answer)

• brain

• nervous system

• spinal cord

• spinal nerves

Injuries to either the brain or spinal cord have serious consequences and can be life threatening.

• True

• False

The brain and spinal cord are protected by the __________ and __________.

• vertebral column

• appendages

• axial skeleton

• skull

The parts of the __________ system OTHER than the brain and spinal cord make up the PNS.

• intravenous

• limbic

• nervous

• efferent

Nerves that transmit impulses from the sensory receptors in the skin, muscles, and joints to the CNS are known as __________ nerves.

• efferent

• afferent

• autonomic

• epigastric