Key structures

Question 1

CNS

Answer 1

Brain and spinal cord

Question 2

PNS

Answer 2

Somatic nervous system (skin, joints, muscles) and autonomic nervous system (internal organs, blood vessels, glands)

Question 3

Forebrain

Answer 3

Cerebral hemispheres, thalamus, hypothalamus

Question 4

Hindbrain

Answer 4

Pons, cerebellum, medulla

Question 5

Saggital section

Answer 5

cuts through the midline. Imagine a vertical cut through the nose.

Question 6

Coronal section

Answer 6

allows us to see anterior and posterior halves of the brain.

Question 7

Horizontal section

Answer 7

cut horizontally through the eyes to see superior and inferior halves.

Question 8

Midbrain

Answer 8

Associated with eye and motor function

Question 9

Ventricular system

Answer 9

Cavity of cerebrospinal fluid
Provides physical protection
Maintains appropriate ion levels
Removes waste products

Question 10

Divisions of the spinal cord

Answer 10

Cervical, thoracic, lumbar, sacral

Question 11

Grey matter

Answer 11

Exterior of brain, interior of spinal cord

Made up of cell bodies of neurons and glia

Question 12

White matter

Answer 12

Interior of brain and exterior of spinal cord

neuronal axons wrapped in myelin