GCSE biology (Human reproduction)

gcse-biology-human-reproduction

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Match the two words on the left with the correct definition.

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Asexual Reproduction
Sexual

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Involves only a single organism, and the offspring inherit the genes of that parent only.
the production of new living organisms by combining genetic information from two individuals of different sexes.

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What are the two types of reproduction?

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Fill in the blanks!

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Two parents are needed in

and the offspring are genetically

to the parents

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What are the advantages for sexual reproduction?

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What are the disadvantages of sexual reproduction?

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What are the male sex organs?

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What are the female sex organs?

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Match the male sex organs on the left with there correct functions

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Testes
Sperm duct and glands
Penis
Urethra

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passes urine out of the body from the bladder and passes semen into the vagina of a woman during sexual intercourse
They are contained in a bag of skin called the scrotum. They produce sperm and create the hormone testosterone.
The sperm pass through the sperm ducts, and mix with fluids produced by glands. The fluids provide the sperm cells with nutrients. This mixture is called semen.
It is the tube inside the penis that can carry urine or semen. A ring of muscle ensures that urine and semen do not get mixed up.

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Match the female sex organs on the left to there correct functions...

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Ovaries
Oviducts
Uterus
Cervix
Vagina
Urethra

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The two contain ova (eggs). Ova are the female gametes or sex cells. Women have these cells in their bodies from birth.
Each ovary is connected to the uterus by an oviduct (fallopian tube). The oviduct is lined with ciliated cells. Every month, an ovum (egg) develops and becomes mature, and is released from an ovary. The cilia waft the ovum along inside the oviduct and into the uterus.
The urethra also opens into the vulva, but it is separate from the vagina. It passes urine out of the body from the bladder.
It is a muscular tube that leads from the cervix to the outside of the woman's body. A man's penis goes into the woman's vagina during sexual intercourse. The opening to the vagina has folds of skin called labia that meet to form a vulva.
It is a ring of muscle at the lower end of the uterus. It keeps the baby in place while the woman is pregnant.
It is a muscular bag with a soft lining. It is where a baby develops until its birth.

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Fill in the blanks about puberty

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Puberty is the stage in life when a

body develops into an

body. The changes take place gradually, usually between the ages of

and

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Fill in the blanks about puberty...

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Changes occur at puberty because of

Testosterone is produced by the

and controls the development of

secondary sexual characteristics.

Oestrogen is produced by the

and controls the development of

secondary sexual characteristics.

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Which are changes to the male body during puberty?

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Which are the changes to the female body during puberty?

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What is the menstrual cycle?

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The

is a recurring process which takes around

days. During the process, the lining of the

is prepared for

If pregnancy does not happen, the lining is then

This is known as

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Hormones in the menstrual cycle

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Several hormones control this cycle – for example, they are involved in controlling the release of an

each month from an ovary, and changing the thickness of the uterus

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出口

GCSE biology (Human reproduction)

题 1 of 1

剩下的时间

Match the two words on the left with the correct definition.

匹配文本（单击并拖动）

(0/0)

Asexual Reproduction

Sexual

Involves only a single organism, and the offspring inherit the genes of that parent only.

the production of new living organisms by combining genetic information from two individuals of different sexes.

What are the two types of reproduction?

选择正确的答案

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Fill in the blanks!

填写空白

(0/0)

What are the advantages for sexual reproduction?

选择正确的答案

(0/0)

What are the disadvantages of sexual reproduction?

选择正确的答案

(0/0)

What are the male sex organs?

选择正确的答案

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What are the female sex organs?

选择正确的答案

(0/0)

Match the male sex organs on the left with there correct functions

匹配文本（单击并拖动）

(0/0)

Testes

Sperm duct and glands

Penis

Urethra

passes urine out of the body from the bladder and passes semen into the vagina of a woman during sexual intercourse

They are contained in a bag of skin called the scrotum. They produce sperm and create the hormone testosterone.

The sperm pass through the sperm ducts, and mix with fluids produced by glands. The fluids provide the sperm cells with nutrients. This mixture is called semen.

It is the tube inside the penis that can carry urine or semen. A ring of muscle ensures that urine and semen do not get mixed up.

Match the female sex organs on the left to there correct functions...

匹配文本（单击并拖动）

(0/0)

Ovaries

Oviducts

Uterus

Cervix

Vagina

Urethra

The two contain ova (eggs). Ova are the female gametes or sex cells. Women have these cells in their bodies from birth.

Each ovary is connected to the uterus by an oviduct (fallopian tube). The oviduct is lined with ciliated cells. Every month, an ovum (egg) develops and becomes mature, and is released from an ovary. The cilia waft the ovum along inside the oviduct and into the uterus.

The urethra also opens into the vulva, but it is separate from the vagina. It passes urine out of the body from the bladder.

It is a muscular tube that leads from the cervix to the outside of the woman's body. A man's penis goes into the woman's vagina during sexual intercourse. The opening to the vagina has folds of skin called labia that meet to form a vulva.

It is a ring of muscle at the lower end of the uterus. It keeps the baby in place while the woman is pregnant.

It is a muscular bag with a soft lining. It is where a baby develops until its birth.

Fill in the blanks about puberty

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Fill in the blanks about puberty...

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Which are changes to the male body during puberty?

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Which are the changes to the female body during puberty?

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What is the menstrual cycle?

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Hormones in the menstrual cycle

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