Brainscape's Knowledge GenomeTM

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


See full index

Biology Definitions > Homeostasis > Flashcards

Homeostasis Flashcards

1
Q

Adrenaline

A

Hormone for fight or flight, made in adrenal glands.

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

Anabolic steroid

A

Hormone drug used to increase muscle mass (legal).

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

Antidiuretic hormone (ADH)

A

Chemical messenger to instruct kidney tubules to be more permeable and so absorb more water.

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

Central Nervous System (CNS)

A

Brain and spinal cord, where reflexes and actions are coordinated.

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

Cerebellum

A

Area at back of brain, for muscle coordination.

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

Cerebral cortex

A

Outer layer of brain for intelligence, memory, language, conscious thought.

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

Contraceptive

A

Method of preventing pregnancy.

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

Coordination centre

A

Organ that takes information from receptor cells and sends a response from the effectors.

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

Dialysis fluid

A

Liquid to replace blood plasma, same concentrations of glucose and ions - see kidney dialysis.

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

Effector

A

Either a muscle or gland which responds to nervous impulses.

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

Efficacy

A

Useful outcome.

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

Ethene

A

Gas made by plants that stimulates ripening, e.g. bananas.

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

Geotropism

A

Growth of a plant in response to gravity, also known as gravitropism.

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

Gibberellin

A

Plant hormone that stimulates seed germination, flowering and stem growth.

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

Gland

A

Place where hormones are produced and secreted from.

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

Glucagon

A

Hormone made by pancreas when glucose levels low, makes glycogen convert to glucose in blood.

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

Glycogen

A

Molecule that stores glucose in liver and muscle cells.

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

Hon

A

See gravitropism.

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

Hormone

A

Chemical messenger which travels in the blood to activate target cells.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hyperopia

A

Long-sighted vision.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

In Vitro Fertilisation (IVE)

A

Artificial fertilisation of eggs in the lab, ‘test tube babies’.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Insulin

A

Hormone made by pancreas when glucose levels high, instructs body cells to take up more glucose from the blood.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Kidney

A

Organ that controls water and ion levels, removes waste products via urine.

24
Q

Kidney dialysis

A

Artificial method of filtering blood to remove waste products (see dialysis fluid).

25
Q

Kidney transplant

A

Replacement of diseased organ with healthy organ from donor.

26
Q

Limiting factor

A

Stops a reaction from going too fast.

27
Q

Liver

A

Organ with many functions including storing glucose as glycogen, makes bile.

28
Q

Luteinising Hormone (LH)

A

Hormone made by pituitary gland, stimulates egg release in menstrual cycle.

29
Q

Medulla

A

Area where brain meets spinal cord, controls autonomic, involuntary functions such as breathing.

30
Q

Motor neurone

A

Nerve cell, carries electrical impulses from central nervous system to effectors.

31
Q

Muscle fatigue

A

Tiredness, loss of efficiency in muscle cells.

32
Q

Myopia

A

Short-sighted vision.

33
Q

Nervous system

A

Organ system in animals that allows them to respond to changes in their environment.

34
Q

Neurone

A

Nerve cell, transmits information around the body, to and from the central nervous system.

35
Q

Oestrogen

A

Hormone made by ovaries, inhibits release of FSH during menstrual cycle, found in some oral contraceptives.

36
Q

Ovary

A

Organ which stores and releases eggs in female, releases hormone oestrogen.

37
Q

Phototropism

A

Growth of a plant in response to light.

38
Q

Pituitary gland

A

Gland located in brain, responsible for secreting hormones including FSH and LH.

39
Q

Progesterone

A

Hormone produced by ovaries, involved in menstrual cycle, found in some oral contraceptives.

40
Q

Receptor

A

Group of cells sensitive to a stimulus, e.g. light receptor cells in eye are sensitive to light.

41
Q

Reflex

A

Fast, automatic response to a stimulus.

42
Q

Reflex arc

A

Passage of information in a reflex from receptor to effector.

43
Q

Relay neurone

A

Nerve cell that carries electrical impulses from sensory neurones to motor neurones.

44
Q

Rooting powder

A

Powder containing plant hormones, can be applied to plant cuttings to assist root development.

45
Q

Selective weedkiller

A

Weedkiller that contains plant hormones, kills weeds (unwanted plants), without affecting growth of crops.

46
Q

Stimulus

A

A change in the environment.

47
Q

Sensory neurone

A

Nerve cell, carries electrical impulses from receptors in sense organs to central nervous system.

48
Q

Synapse

A

Connection between two neurones.

49
Q

Target cell

A

Particular cell in a particular place which is affected by a hormone.

50
Q

Testosterone

A

Hormone made by testes for reproduction.

51
Q

Thermoregulatory centre

A

Part of brain, controls body temperature.

52
Q

Thyroxine

A

Hormone made by thyroid gland in neck, controls metabolism and production of proteins.

53
Q

Urea

A

Waste product from liver, breakdown of amino acids.

54
Q

Vasoconstriction

A

Narrowing of blood vessels to skin.

55
Q

Vasodilation

A

Widening of blood vessels to skin.

Biology Definitions (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions