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GCSE YEAR 11 > Biology - Body Functions Key Words > Flashcards

Biology - Body Functions Key Words Flashcards

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1
Q

Types of contraception

A

Pill - Prevents Ovulation
Condom
Implant
Patch
Infertile Woman

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2
Q

Vasectomy

A

Where a male has an operation which stops the flow of semen

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3
Q

Ovulation

A

Release of the egg from Ovaries

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4
Q

Infertility

A

Where a woman cannot conceive despite having regular, unprotected sex.

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5
Q

Gamete

A

A sex cell (sperm, egg)

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6
Q

Haploid

A

Half a set of Chromosomes

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7
Q

Diploid

A

Full set of Chromosomes

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8
Q

What are the two types of Reproduction?

A

Sexual reproduction (leads to variation)
Asexual reproduction (leads to clones)

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9
Q

ADH

A

Anti-Diuretic Hormone. Affects amount of water reabsorbed therefore the amount of urine produced by the kidneys

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10
Q

Adrenaline

A

A hormone which prepares your body for fight or flight

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11
Q

Central Nervous System (CNS)

A

The part of the nervous system where information is processed, made up of the brain and spinal cord

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12
Q

Contreception

A

A method to prevent pregnancy (barrier or hormonal)

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13
Q

Diabetes

A

Disease in which the body’s ability to produce or respond to the hormone insulin is impared

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14
Q

Effectors

A

Muscles or glands that bring out a response in the body

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15
Q

Endocrine system

A

Glands that produce hormones that control many aspects of the developments and metabolism of the body

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16
Q

FSH

A

Follicle Stimulating Hormone. Produced by the Pituitary Gland, causes an egg to mature in the ovary

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17
Q

Gland

A

An organ that secretes hormones

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18
Q

Glucagon

A

Hormone involved in the control of blood sugar levels - causes glucose to be released into the blood

19
Q

Homeostasis

A

The regulation of internal conditions to maintain optimum conditions for function

20
Q

Hormone

A

Chemicals produced in the glands that are carried in the blood to have an effect on another part of the body

21
Q

Infertility

A

Inability to concieve

22
Q

Insulin

A

A hormone that controls blood sugar levels, causes glucose to be taken up by cells

23
Q

Intermediate Neurones

A

In the brain and spinal cord, cells pass signals from sensory neurones to motor neurones

24
Q

IVF

A

In vitro Fertilisation. Egg cell is fertilised by sperm cell in a test tube

25
Q

LH

A

Luteinising hormone. Produced by pituitary gland, causes ovulation

26
Q

Menstrual cycle

A

The monthly cycle of ovulation and menstruation in females

27
Q

Motor neurones

A

Cells in the nervous system that passes signals from the CNS to an effector

28
Q

Negative feedback

A

A reaction that causes a decrease in function to stabilise conditions

29
Q

Nerves

A

Bundles of many neurones

30
Q

Nervous System

A

The brain, spinal cord and network of neurones which transmits nerve impulses between parts of the body

31
Q

Neurones

A

Cells in the nervous system that carry electrical impulses around the body

32
Q

Oestrogen

A

Female hormones produced by the ovary that controls the development of sexual characteristics at puberty and the thickening of the uterus lining at menstruation

32
Q

Oestrogen

A

Female hormones produced by the ovary that controls the development of sexual characteristics at puberty and the thickening of the uterus lining at menstruation

33
Q

Pituitary gland

A

The main endocrine gland , found in the brain which secrets a number of hormones to control other glands in the body

34
Q

Ovulation

A

The release of a mature egg from the ovary

35
Q

Progesterone

A

Female hormone produced by the ovaries that maintain the lining of the uterus following ovulation

36
Q

Receptors

A

Cells that detect stimuli

37
Q

Reflex

A

A rapid, automatic response to a stimulus, that does not involve the conscious brain

38
Q

Response

A

The reaction of the body to a stimulus

39
Q

Stimulus

A

a change in the internal or external environment that is detected by a receptor

40
Q

Synapse

A

A gap between two neurones, consisting of a minute gap across which impulses pass by diffusion or a neurotransmitter

41
Q

Thyroxin

A

A hormone produced by the thyroid glands to regulate metabolism

42
Q

Testosterone

A

Male hormones produced by the testes the controls the development of sexual characteristics at puberty and the production of sperm

GCSE YEAR 11 (12 decks)

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