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Science > Reproduction page 40-56 > Flashcards

Reproduction page 40-56 Flashcards

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Biology 101 flashcards
1
Q

What is the function of the testes?

A

To produce sperm.

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2
Q

What is the function of the sperm duct?

A

It takes the sperm from the testes to the penis.

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3
Q

What is the function of the Glands?

A

The glands produce semen.

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4
Q

What is the function of the Urethra for the male reproductive system?

A

A tube that carries urine from the bladder out of the body or sperm from the sperm duct.

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5
Q

What is the function of the penis?

A

This carries urine or semen out of the body. The penis swells with blood and stiffens. This is known as erection, and allows the male to release sperm into a female during sexual intercourse. The bladder cannot empty when the penis is erect, so semen and urine are never released at the same time.

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6
Q

What is the function of the scrotum?

A

The bag of skin that holds the testes.

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7
Q

What is the function of the bladder?

A

To hold and release urine.

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8
Q

What is the function of the ovary?

A

Ovaries contain egg cells. One egg is released each month.

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9
Q

What is the function of Oviducts?

A

Oviducts are egg tubes that carry an egg to the uterus.

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10
Q

What is the function of the uterus?

A

Uterus is a womb, this is where a baby develops until it is born.

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11
Q

What is the function of the cervix?

A

A ring of muscle at the entrance to the uterus. It keeps the baby in place while the woman is pregnant.

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12
Q

What is the function of the urethra in the female reproductive system?

A

A tube that carries urine from the bladder out of the body.

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13
Q

What is the function of the vagina?

A

Receives sperm during sexual intercourse. This is where the man’s penis enters the female’s body.

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14
Q

What is the female gamete?

A

The female gamete is an egg cell.

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15
Q

What is the male gamete?

A

The male gamete is a sperm cell.

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16
Q

What does ejaculation mean?

A

When semen is released from the penis.

17
Q

What is an embryo?

A

A ball of cells that forms when the fertilised egg cell divides

18
Q

What does fertilisation mean?

A

The process where the nucleus of a sperm cell joins with the nucleus of an egg cell.

19
Q

What is a foetus?

A

The name given to unborn baby from eight weeks of development.

20
Q

What does implantation mean?

A

The process where an embryo attaches to the lining of the uterus?

21
Q

What is the menstrual cycle?

A

The monthly cycle during which the uterus lining thickens, and then breaks down and leaves the body if an egg is not fertilised.

22
Q

What is semen?

A

Fluid containing sperm.

23
Q

What is sexual intercourse?

A

The process where the penis releases semen into the vagina.

24
Q

What is the placenta?

A

The organ where substances pass between the mother’s and the foetus’s blood. It acts as a barrier, stopping infections and harmful substances reaching the foetus.

25
Q

What does pregnant mean?

A

When a baby is growing inside a woman she is pregnant.

26
Q

What is the umbilical cord?

A

Connects the foetus to the placenta.

27
Q

What is a fluid sac?

A

This acts as a ship know absorber protecting the foetus from any bumps.

28
Q

What does the baby/foetus look like at one week of development?

A

Just a dot, cells beginning to specialist.

29
Q

What does the baby/foetus look like at 4 weeks of development?

A

The baby/foetus is 3mm long, spine and brain forming, heart beating.

30
Q

What does the baby/foetus look like at 9 weeks of development?

A

The baby/foetus is 3cm long, there are tiny movements lips and cheeks sense touch, eyes and ears forming.

31
Q

What does the baby/foetus look like at 12 weeks of development?

A

The baby/foetus is 7cm long, the foetus/baby uses its muscles to kick, suck swallow and practise breathing.

32
Q

What happens during birth?

A

After around 40 weeks baby is ready to be born. The mother’s cervix relaxes, and muscles in the wall of the uterus contract. This gradually pushes the baby out through the vagina. When the baby is born it is still joined to its mother by the umbilical cord. This needs to be cut. The placenta is then pushed out.

33
Q

What happens on day 1 of the menstrual cycle?

A

Blood from the uterus lining leaves the body through the vagina.

34
Q

What happens on day 5 of the menstrual cycle?

A

Bleeding stops. The lining of the uterus begins to re-grow. The lining is spongy and filled with blood. This will provide a deep layer for implantation if an egg cell is fertilised.

35
Q

What happens on day 14 of the menstrual cycle?

A

An egg is released from one of the ovaries. This is called ovulation. The egg cell travels through the oviduct towards the uterus.

36
Q

What is ovulation?

A

An egg is released from one of the ovaries.

Science (15 decks)

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