NERVOUS SYSTEMS:

Question 1

Featrues on the CNS

Answer 1

Central nervous system:

Skull and spine

Cortex, nuclei and spinal cord

Encased in bones

Poor at fixing its self as it can’t regenerate

Question 2

features of the PNS

Answer 2

Peripheral nervous system

Nerves and ganglions(cluster of cells associated with nerves)

It can regrow after damage

Question 3

the 2 types of PNS

Answer 3

autonomic and somatic

Question 4

what does the somatic peripheral system do

Answer 4

Controls voluntary movement

Question 5

what does the Autonomic peripheral do?

Answer 5

Controls involutory

Controls smooth muscle, any glands, lungs and heart

Has two components(sympathetic, parasympathic )

Question 6

para vs sympathetic

Answer 6

Para: rest and digest

Sympathetic: fight of flight

Question 7

describe the movement circuit

Answer 7

Sensory input - Receptors monitor change, from afferent nerves

Integration- Info is processed and a decsions is made

Motor output -Effector organs and stimulated
Effected by efferent nerves

Question 7

what are the 7 sensory afferent senses

Answer 7

Visual
Auditory
Olfactory
Gustatory(taste)
Tactile(touch)
Vestibular: sense of head movement)
Proprioceptive( sensations from the muscles and joints of the body)