Science Human Reproduction systems (revision)

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The male reproductive system
The human male reproductive system contains these parts: glands ,sperm ducts ,urethra penis, testes
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Testes
The two testes (one of them is called a testis) are contained in a bag of skin called the scrotum.
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Testes functions
to produce millions of male gametes (sex cells) called sperm.To make male sex hormones, which affect the way a man's body develops
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Sperm duct and glands
The sperm pass through the sperm ducts, and mix with fluids produced by the glands. The fluids provide the sperm cells with nutrients. The mixture of sperm and fluids is called semen.
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Penis and urethra
The penis has two functions:To pass urine out of the man's body. to pass semen out of the man's body
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Penis and urethra
The urethra is the tube inside the penis that can carry urine or semen. A ring of muscle makes sure that there is no chance of urine and semen getting mixed up.
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The female reproductive system
The human female reproductive system contains these parts: oviducts ,ovaries, uterus, cervix ,vagina.
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Ovaries
The two ovaries (one of them is called an ovary) contain hundreds of undeveloped female gametes (sex cells). These are called ova (one of them is called an ovum) or egg cells. Women have these cells in their bodies from birth.
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Oviducts
Each ovary is connected to the uterus by an oviduct. This is sometimes called a Fallopian tube or egg tube. The oviduct is lined with cilia, which are tiny hairs on cells.
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Oviducts
Every month, an egg develops, becomes mature and is released from an ovary. The cilia waft the egg along inside the oviduct and into the uterus.
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Uterus and cervix
The uterus, also called the womb, is a muscular bag with a soft lining. The uterus is where a baby develops until its birth.
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Uterus and cervix
The cervix is a ring of muscle at the lower end of the uterus. It keeps the baby in place while the woman is pregnant.
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Vagina
The vagina 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.
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Other cards in this set

Card 2

Front

Testes

Back

The two testes (one of them is called a testis) are contained in a bag of skin called the scrotum.

Card 3

Front

Testes functions

Back

Preview of the front of card 3

Card 4

Front

Sperm duct and glands

Back

Preview of the front of card 4

Card 5

Front

Penis and urethra

Back

Preview of the front of card 5
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