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YEAR 8 END OF YEARS REVISION > Human Development > Flashcards

Human Development Flashcards

Biology Topic 1

1
Q

Adolesence

A

A person going through puberty

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2
Q

Afterbirth

A

The birth of the placenta after the baby is born

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3
Q

Allele

A

Alternative form of a gene

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4
Q

Amniotic Sac

A

The place where the foetus is protected

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5
Q

Amniotic Fluid

A

Fluid that surrounds the developing embryo

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6
Q

Chromosone

A

Long strand of DNA

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7
Q

DNA {Deoxyribonucleic Acid]

A

The chemical that contains genetic code for each individual

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8
Q

Ejaculation

A

The release of sperm through the penis

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9
Q

Embryo

A

The early stages of development in a new organism

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10
Q

Errection

A

The stiffening of the penis where a man is sexually aroused

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11
Q

Fertilisation

A

The joining or fuse of the male and female gametes

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12
Q

Foetus

A

The name of a developing baby 2 months after fertilisation

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12
Q

Gene

A

Small sections of DNA that control a specific characteristic

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13
Q

Gamete

A

Sex Cell

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14
Q

Inheritance

A

Gaining a few characteristics from both of your parents

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15
Q

Intercourse

A

The act of having sex

16
Q

Menstrual Cycle

A

A series of events lasting 28 days in the women’s reproductive system

17
Q

Menstruation

A

When a small amount of the uterus lining and some blood pass out the vagina

18
Q

Mutation

A

Change in genetic code

19
Q

Ovulation

A

The release of egg cells from the ovaries

20
Q

Ovum

A

Women’s gamete Egg Cell

21
Q

Punnett Square

A

Allows you to find out whether the foetus is a girl or boy

21
Q

Placenta

A

An organ inside the uterus that allows the foetus to connect to its mother

22
Q

Puberty

A

When physical changes happen inside the body for people around the ages 11-15

23
Q

Sperm

A

Male’s Gametes Sperm Cell

23
Q

Semen

A

A mixture or fluids and sperm cells released by men during sexual activity

24
Q

Sperm Duct

A

Tube that carries the sperm from the testes to the urethra

25
Q

Umbilical Cord

A

Cord that carries food,waste and oxygen between the placenta

26
Q

Zygote

A

Fertilised Cells formed

YEAR 8 END OF YEARS REVISION (2 decks)

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