nervous system

Question 1

Function of Nervous System

Answer 1

The nervous system helps all the parts of the body to communicate with each other

Question 2

Central nervous system

Answer 2

brain , spinal cord

Question 3

peripheral nervous system

Answer 3

peripheral nervous

Question 4

neurons

Answer 4

make up 10% of the nervous system

Question 5

Neuroglia

Answer 5

“nerve-glue”, make up 90% of the nervous system

Question 6

dendrite

Answer 6

are appendages that are designed to receive communications from other cells.

Question 7

soma

Answer 7

ell body of a neuron contains the nucleus and other structures common

Question 8

schwann cells

Answer 8

the main glial cells of the peripheral nervous system

Question 9

node of ranvier

Answer 9

periodic gap in the insulating sheath (myelin) on the axon of certain neurons

Question 10

myelin

Answer 10

an insulating layer, or sheath that forms around nerves

Question 11

axon

Answer 11

, portion of a nerve cell (neuron) that carries nerve impulses away from the cell body

Question 12

axon terminal

Answer 12

nerve fibre, portion of a nerve cell (neuron) that carries nerve impulses away from the cell body

Question 13

CSF

Answer 13

The cerebrospinal fluid protects the brain by preventing the it from contacting the skull.

Question 14

cerebrum

Answer 14

Largest part of brain

Divided into 2 hemispheres

Question 15

Frontal Lobe

Answer 15

Voluntary movements (walking)
Reasoning & decision-making
Memory
Ability to predict consequences of actions

Question 16

Parietal Lobe

Answer 16

Sensations
Visual-spatial processing
Body position

Question 17

Occipital Lobe

Answer 17

Visual processing- vision & memory of objects

Question 18

Temporal Lobe

Answer 18

Memory
Comprehension & pronunciation of words
Sensations of smell and sound
Emotional association of memories

Question 19

Thalamus

Answer 19

2 bulb-shaped halves in the center of the brain

Relays sensory impulses to the cerebral cortex for processing and sorting

Question 20

Hypothalamus

Answer 20

Controls hormones released by pituitary gland (often called the “master endocrine gland”)

Question 21

Brainstem

Answer 21

Located between the cerebrum and spinal cord.

Question 22

midbrain

Answer 22

Also known as mesencephalon
Relays info to cerebrum
Controls body movements and postures

Question 23

Pons

Answer 23

Almost completely made of white matter that links cerebral cortex and cerebellum
Carries info from one side of brain to the other (why its called the bridge)

Question 24

Medulla Oblongata

Answer 24

Located above the spinal cord
Transmits impulses between spinal cord and the brain
Controls blood pressure, heart rate, swallowing, and coughing

Question 25

Cerebellum

Answer 25

Second largest part of brain
Near back of skull
Responsible for coordinating the movements directed by the cerebrum so that they are graceful and efficient

Question 26

Spinal Cord

Answer 26

Extends from the medulla oblongata
31 pairs of spinal nerves branch out from the spinal cord, connecting to all parts of the body
Relays impulses from the PNS to the brain

Question 27

Hair follicle receptor

Answer 27

touch

Question 28

ruffinis copuscle

Answer 28

touch and pressure

Question 29

pacinian corpuscle

Answer 29

pressure

Question 30

free nerve ending

Answer 30

(pain and temperature)

Question 31

merkels disk

Answer 31

touch