The human Brain & Spinal Cord

Question 1

Forebrain functions

Answer 1

Concerned with intelligence, memory, learning, sensations, and overall control of all voluntary actions.

Question 2

Midbrain functions

Answer 2

Concerned with sight and visual reflexes, e.g. movement of the eyeballs.

also plays an important role in motor movement, pain, and the sleep/wake cycle.

Question 3

Hindbrain functions

Answer 3

Controls coordination especially in balance, and also involuntary actions such as your heartbeat and more.

Question 4

Long, thin, tubular structure that is made up of nervous tissue. It passes through the vertebral column (backbone)

Answer 4

Spinal Cord

Question 5

Consists mostly of the cell bodies of neurones. it forms the outer layers of the brain and the central parts of the spinal cord

Answer 5

Grey Matter

Question 6

Consists mainly of nerve fibers. it forms the central parts of the brain and the outer layers of the spinal cord

Answer 6

White matter

Question 7

Contains fluid called cerebrospinal that brings nutrients to the spinal cord

Answer 7

Central Canal

Question 8

The ___ contains only the nerve fibers of sensory neurones that transmit impulses to the spinal cord

Answer 8

Dorsal Root

Question 9

Is a small swelling in the dorsal root thet contains cell bodies of sensory neurones

Answer 9

Dorsal root ganglion

Question 10

It contains only the nerve fibers of motor neurones that transmit impulses from the spinal cord

Answer 10

Ventral Root

Question 11

The dorsal root and the ventral root join to form the ____ . it contains both sensory and motor neurones hence its a “mixed” nerve

Answer 11

Spinal Nerve

Question 12

The core section of a neuron

Answer 12

Cell body