1.5 Central Nervous System - Health Careers

What is the difference between the Central Nervous System and the Peripheral Nervous System?

CNS: Brain + spinal cord

PNS: All other nerves

The abbreviation for the Central Nervous System is?

CNS

The abbreviation for the Peripheral Nervous System is

PNS

What is the function of the nervous system?

Sending, receiving, and interpreting info from parts of the body

The Control center of the body?

brain

What is the spinal cord?

group of nerves that connect brain to body

The spinal cord begins at the ___ and ends between __?

base, L1-L2

The part of the brain responsible for vision?

Occipital Lobe

The part of the brain that controls breathing and heart rate?

Brainstem

The part of the brain that coordinates muscle movements?

Cerebellum

The part of the brain that is apea-sized gland located in the center of the skull. It releases many Piturary hormones which affect growth, sexual development, metabolism and human reproduction?

Pituitary Gland

This a thick band of nerve fibers that divides the cerebrum into the left and right hemisphere?

Corpus Callosum

This part of the brain is considered our emotional control center and home to our personality and doesn't fully develop until a person's 20s?

Frontal Lobe

This part of the brain does cognition Information, processing pain and touch sensation, spatial orientation, speech and visual perception?

Parietal Lobe

The part of the brain is divided into right and left hemispheres?

Cerebrum

The function of the cerebrum?

Movement, regulates temperature, intelligence, personality, thinking, language/speech, organization, touch

The vertebral column consists of sections of bones:

• Neck is called ___ consists of __ bones

Cervical, 7 (C1-C7)

The vertebral column consists of sections of bones:

• Back is called ___ consists of __ bones

Thoracic, 7 (T1-T7)

The vertebral column consists of sections of bones:

Lower back is called __ and consists of __ bones

Lumbar, 5 (L1-L5)

The vertebral column consists of sections of bones:

• Tailbone is called __ consists of _ bones

Coccyx, 4 (C1-C4)

The vertebral column consists of sections of bones:

• Butt is called __ and consists of _ bones

Sacrum, 5 (S1-S5)

What is the thickness of the spinal cord?

A pencil

What is the difference between quadriplegia and paraplegia?

Quadriplegia: All 4 extremities, paralyzed from neck down

Paraplegia: Paralyzed from waist down

Can a person fracture their back and not be paralyzed? Explain.

Yes, someone can fracture their back but not be paralyzed because it depends on if the person severed their spinal cord.

Define reflexes:

Nerves that take impulses from tissues to the spinal cord and back into a split second

List three examples of reflexes:

Patella (knee), bicep, tricep, Achilles, and radial