reproduction

reproduction in plants and in humans. goes through puberty adolescence, fertilization, ejaculations, how babies are made, processes of things, etc.

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  • Created by: hi lulu
  • Created on: 25-04-21 18:17
why do flowers have petals?
help attract insects
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what do sepals do?
they protect unopened buds
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what is one of the steps of fertilization?
when a pollen tube grows through the tissue of the flower
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what does anther produce?
pollen
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what does filament hold up?
anther
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is Stigma sticky?
yes
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what does the style hold up?
stigma
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what are the three important structures of a plant?
seed coat, embryo, food store
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what is germination?
when a seed starts to grow
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what is photosynthesis?
when plants get food from the sun
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what does the seed need to germinate?
warmth, water, oxygen
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how regularly does the lining of the uterus leave?
once a month
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what are all the kinds of seed dispersal?
water, wind, explosive and animal
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what is the female reproductive system called?
menstrual cycle
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how long does the blood from the lining last?
3-7 days
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what is ovulation?
when an egg is released from one of the ovaries
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what is the female reproductive system controlled by?
hormones
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what is the result of pregnancy?
sexual intercourse
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what are the ways to avoid pregnancy/sexual intercourse?
condoms and contraceptive pill
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how long does pregnancy last for, for humans?
9 months/40weeks
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why do you have checkups with your midwife while pregnant?
she gives advice on the baby's development and health
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what can smoking cause while pregnant?
can cause baby to born too early before fully developed
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what can alcohol cause while pregnant?
can cause problems with development of the baby's brain
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what does placenta do?
stops infections and harmful substances
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what does the umbilical cord do?
connects the fetus to the placenta
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what does the fluid sac do?
acts as a shock absorber protecting the fetus from any bumps
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where will the contractions push the baby out?
the vagina
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what is gestation?
when a fetus develops in the uterus
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after how long is the baby ready to be born?
40 weeks
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what is adolescence?
when you change from a child to an adult and experience both physical and emotional changes
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what are sex hormones?
chemical messengers that travel around our bodies in our blood
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male and female sex hormones are made in what?
testes (male), ovaries (female)
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what is a male gamete called?
sperm cell
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what is a female gamete called?
egg cell
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what is cilia?
tiny hairs on the surface of all cells
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what happens when a male becomes sexually aroused?
his penis will fill with blood and becomes erect
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what happens when a female becomes sexually aroused?
her vagina becomes relaxed and moist
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how is semen released into the vagina?
when the penis moves back and forth
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Other cards in this set

Card 2

Front

what do sepals do?

Back

they protect unopened buds

Card 3

Front

what is one of the steps of fertilization?

Back

Preview of the front of card 3

Card 4

Front

what does anther produce?

Back

Preview of the front of card 4

Card 5

Front

what does filament hold up?

Back

Preview of the front of card 5
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