nervous system Flashcards

(39 cards)

1
Q

Function of

Nervous system

A
The function of
the nervous
system is to
detect impulses
from the senses;
control center of
the body
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Major organs of

nervous system

A

Brain, Spinal cord,
senses, and
nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Difference
between neurons
and neuroglia

A

Neurons make up
10% while
neuroglia makes
up 90%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Dendrite

A

receive the nerve
impulses from the
senses or another
neuron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Soma

A

body of the
neuron that holds
the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Schwann cells

A

main glial cells of
the peripheral
nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Node of ranvier

A
impulses jump
from node to
node, which
increase speed of
impulse
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Myelin

A

insulates the axon.
Produced by the
Schwann cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Axon

A
passageway for
nerve impulses
after cell body;
end in axon
terminal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

CSF

A

Cerebrospinal

Fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cerebrum

A

Largest part of

brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Lobes of

cerebrum

A

Frontal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Lobes of

cerebrum

A

Parietal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Lobes of

cerebrum

A

Optical lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Lobes of

cerebrum

A

Temporal Lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Thalamus

A
Relays sensory
impulses to the
cerebral cortex for
processing and
sorting
17
Q

Hypothalamus

A
Controls
hormones
released by
pituitary gland
(often called the
"master endocrine
gland")
18
Q

Brainstem

A

Midbrain, pons,
medulla
oblongata

19
Q

Regions of

Brainstem

20
Q

Regions of

Brainstem

21
Q

Regions of

Brainstem

A

Medulla

Oblongata

22
Q

Cerebellum

A
Responsible for
coordinating the
movements
directed by the
cerebrum so that
they are graceful
and efficient
23
Q

Spinal Cord

A
31 pairs of spinal
nerves branch out
from the spinal
cord, connecting
to all parts of the
body
24
Q

Different types of

sensory receptors

A

Merkel’s desk

25
Different tvpes of | sensor receptors
free nerve ending
26
Different tvpes of | sensory receptors
Hair follicle | receptor
27
Different tvpes of | sensory receptors
Ruffini's Corpuscle
28
Different types of | sensory receptors
Pacinian | Corpuscle
29
Papillae
Bumps of tongue
30
Tiny bones in your | ear and nickname
malleus
31
Tiny bones in your | ear and nickname
incus
32
Tiny bones in your | ear and nickname
stapes
33
Cochlea
``` a bony snail- shaped structure containing membranes filled with fluid ```
34
Cornea
Cornea is made of thick, transparent tissue
35
Pupil
Pupil is the opening in the center of the iris
36
IrIS
``` The iris is located behind the cornea. It is the colored part of the eye. ```
37
Retina
``` The retina, located in the back of the eye, contains thousands of photoreceptors ```
38
Lens
``` The lens is a semi- solid disc that directs light waves towards the retina. ```
39
Farsighted vs | Nearsighted
``` Farsighted means you can see far but not close. Near sighted is you can see near by but not far. ```