Human reproduction A1 206-14 Flashcards

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1
Q

What is adolescence?

A

The period of tiem when a person transforms from a child to an adult.

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2
Q

What is puberty?

A

Physical changes that take place in adolescence.

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3
Q

What is puberty caused by?

A

Sex hormones

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4
Q

State 3 changes that happen to both boys and girls in adolescence

A
  • Body hair growth
  • Body odour gets stronger
  • Emotional changes
  • Growth spurt
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5
Q

What is the function of the male reproductive system?

A

Produce sperm cells and release them in a female

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6
Q

What is the function of the female reproductive system?

A

To produce egg cells and grow a baby long enough so it can be born and survive.

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7
Q

What are gametes?

A

Reproductive cells

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8
Q

What is fertilization?

A

The nuclei of the sperm cell and the egg cell join together to create a new organism.

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9
Q

Describe how an egg cell travels along the oviduct

A

The egg cell have cilia (tiny hairs) that allow it to waft to the uterus

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10
Q

Define Gestation

A

The time in the uterus from fertilization to birth.

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11
Q

Name the 3 structures inside the uterus

A
  • Placenta- Organ where substances pass between fetus’and mother’s blood, stops infections and harmsful stuff reaching the fetus.
  • Umbilical cord- connects the fetus to the placenta
  • Amniotic fluid- Protects the fetus from shocks and bumps.
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12
Q

Describe how substances are transferred from the mother to the fetus

A

The substances are diffused across the placenta to the fetus

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