Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Honors Biology 9 > Body Systems > Flashcards

Body Systems Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What are the two systems that control all body activities ?

A

nervous system

endocrine system

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

nervous system

A

enables body to gather information and respond quickly

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

endocrine system

A

produces slower but longer lasting responses

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

what are the two parts of the nervous system ?

A

central nervous system

peripheral nervous system

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

what is the CNS made up of ?

A

brain and spinal chord

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

what is the function of the CNS ?

A

process information and send instructions to the PNS

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

What makes up the PNS ?

A

nerves that extend throughout the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the function of the PNS ?

A

gather and deliver information to and from the CNS

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

what is the control center of the body ?

A

central nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is a neuron ?

A

nerve cell

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

why is the nerve cell important ?

A

basic functional unit of the nervous system

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

what makes neurons cytoplasm different than other cells ?

A

dendrites

axon

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

neurons are _______ and ________.

A

chemical

electrical

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

where is the dendrite found and what does it do ?

A

attached to the cell body

receives and carries information to the cell

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

where is the axon located and what does it do ?

A

extends from cell to body

carries information away

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

what are nerve fibers ?

A

dendrites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

How are the nerve fibers arranged in the PNS ?

A

in bundled rope like structures called nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

How are the nerve fibers arranged in the CNS ?

A

bundled into structures called tracts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what are the three types of neurons ?

A

Sensory neurons
Motor neurons
Inter neurons

20
Q

Sensory neurons function

A

send messages to CNS

from sensory receptors

21
Q

Motor neurons function

A

conduct impulses away from CNS

22
Q

Inter neurons function

A

conduct impulses within CNS process and coordinate in-going and outgoing impulses

23
Q

effectors

A

muscles or organs and glands that respond to the signal from motor nerons

24
Q

90% of cells in nervous system

A

Glial cells

25
Q

what do glial cells do ?

A

protect neurons
mechanically support neurons
assist neurons

26
Q

what are the two types of glial cells ?

A

schwawn cells

astrocytes

27
Q

what do schwawn cells do ?

A

insulates and holds nerve fibers together

28
Q

protective wrapping around nerve fibers in shwawn cells

A

myelin sheath

29
Q

what do astrocytes do ?

A

hold inter neurons together and connect them onto capillaries.

30
Q

what glial cells are in the PNS ?

A

Shwawn cells

31
Q

what glial cells are in the CNS ?

A

Astrocytes

32
Q

what helps supply neurons with oxygen and nutrients

A

astrocytes

33
Q

what neuron conduct impulses faster

A

neurons with the myelin sheath

34
Q

what protects the CNS

A

skull and vertebrae

35
Q

the skull and vertebrae are covered in ___ layers of connective tissue called ______.

A

3

meninges

36
Q

CNS in made up of what 2 types of matter ?

A

grey

white

37
Q

grey matter

A

composed of densely packed nerve cell bodies

38
Q

white matter

A

composed of bundles of axons with myelin sheath.

39
Q

what controls language recognition and comprehension

A

wernicke’s area

40
Q

controls motor function and speaking

A

broca’s area

41
Q

what is the cerebellum called

A

little brain

42
Q

what coordinates balance and the actions of the skeletal muscles so the body moves gracefully and athletically

A

cerebellum

43
Q

controls blood pressure, heart heart, breathing, and swallowing (involuntary functions)

A

brainstem

44
Q

receives all messages from sensory receptors and then gets relayed to the right region of the brain

A

thalamus

45
Q

controls pituitary gland

A

hypothalamus

46
Q

controls hunger thirst fatigue anger body temperature

A

hypothalamus

47
Q

connects brain and spinal chord

A

brainstem

Honors Biology 9 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions