Brainscape's Knowledge GenomeTM

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


See full index

Biology - Core > Responding To Change > Flashcards

Responding To Change Flashcards

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

What is homeostasis

A

Maintaining a stable internal environment

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

What is osmoregulation

A

Regulating water content

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

What is thermoregulation

A

Regulating body temperature

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

What part of the brain controls body temperature

A

Hypothalamus

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

What happens when you are too hot?

A

Erector muscles relax so hairs lie flat
Lots of sweat
Vasodilation

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

What happens when you are too cold?

A

Erector muscles contract so hairs stand up
Little sweat
Vasoconstriction

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

What are hormones

A

Hormones are chemical

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

What glands are hormones made in?

A

Endocrine

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

How long do hormones last far

A

A long time

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

What do neurones do

A

Transmit information around the body

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

What are dendrons

A

Branched endings that connect neurones

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

What is the axon protected by

A

Myelin sheath

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

What is a myelin sheath

A

Electrical insulator and speeds up implese

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

What is the connection between two neurones and what chemicals diffuse across

A

Synapse and neurotransmitter

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

What are the sense organs

A

Eyes ears nose tongue and skin

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

What is in the CNS

A

Brain and spinal cord

17
Q

What is the reflex arc

A

Sensory neurone, relay neurone, motor neurone and effector

18
Q

What happens when blood glucose level is too high

A

Insulin secreted by pancreas

Insulin makes liver turn glucose to glycogen

19
Q

What happens when blood glucose level is too low

A

Glucagon secreted by pancreas

Glucagon makes liver turn glycogen to glucose

20
Q

What is type to diabetes

A

Pancreas produces little or no insulin

21
Q

How is type 1 diabetes controlled

A

Limit the intake of simple carbohydrates

Injecting insulin

22
Q

What is type 2 diabetes

A

Person is resistant to insulin

23
Q

How is a person classified as obese

A

BMI over 30

Body mass / height ^2

24
Q

What is phototropism

A

Growth of a plant in response to light

Shoots are positive

25
Q

What is geotropism

A

Growth of a plant in response to gravity

Roots are positive

26
Q

How do auxins work differently in shoots and roots

A

Shoots: causes cell elongation
Roots: inhibits growth

27
Q

What do gibberellins do

A

Stimulates seed germination, stem growth and flowering and elongates stem

28
Q

What are the commercial uses of plant hormones

A

Selective weed killers
Rooting powder
Ripening of fruit
Producing seedless fruit

Biology - Core (3 decks)

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