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Science Half-Yearly Revision 2024 > Growing and Multiplying - Vocab > Flashcards

Growing and Multiplying - Vocab Flashcards

1
Q

Growth

A

An increase in size of an organisim

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2
Q

Development

A

The process of change in an organism that leads to maturity

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3
Q

Repair

A

The process of restoring damaged tissue to a good condition

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4
Q

Cytokinesis

A

The process of the cytoplasm and organelles being separated into two new cells

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4
Q

Mitosis

A

The process of the cell nucleus dividing into two new nuclei, identical to the parent nucleus

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5
Q

Sexual reproduction

A

The production of a new organism when a sperm and ovum join together to become one cell

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6
Q

Ovum, ova

A

A female reproductive cell

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6
Q

Asexual reproduction

A

The production of a new organism from one parent cell, without a sperm or ovum

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7
Q

Meiosis

A

The process of the cell nucleus diving into four new nuclei, each with half the chromosomes of the parent nucleus

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8
Q

Gamete

A

A reproductive cell required for sexual reproduction, ie sperm or ovum

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9
Q

Sperm

A

A male reproductive cell

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10
Q

Fertilisation

A

The joining together of one sperm and one ovum to make one new cell

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11
Q

Zygote

A

The new cell formed when one sperm joins with one ovum

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12
Q

Ovary

A

Female reproductive organ which produces ova

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13
Q

Fallopian tube

A

Tube that allows an ovum that has been realased to travel from the ovary to the uterus

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14
Q

Uterus

A

Organ in a female in which a fetus grows into a baby

15
Q

Cervix

A

Narrow passage that is the opening to the uterus

16
Q

Vagina

A

Tube leading from the external environment to the cervix in a female

17
Q

Testis, testes

A

Male reproductive organ which produces sperm

18
Q

Epididymis

A

Long, coiled tube leading from the testis to the vas deferns where the sperm are stored and matured

19
Q

Vas deferens

A

Tube that carries sperm from the epididymis to the urethra

20
Q

Prostate

A

Gland at the base of the bladder which adds fluid to the semen

21
Q

Seminal vesicles

A

Pair of glands below and behind the bladder which add fluid to the semen

22
Q

Penis

A

Male organ which delivers semen into the vagina

23
Q

Semen

A

Fluid released from penis containing sperm and fluid

24
Q

Puberty

A

Stage of life when a person changes and becomes sexually mature

25
Q

Copulation

A

Sexual intercourse between a male and female where the penis is placed in the vagina

26
Q

Embryo

A

An unborn offspring in the process of development from the eighth week after fertilisation

27
Q

Amniotic fluid

A

The fluid surrounding a fetus in the uterus

28
Q

Placenta

A

Temporary organ that connects the fetus to the wall of the uterus which allows exchange of nutrients and wastes with the mother

Science Half-Yearly Revision 2024 (13 decks)

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