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A continuación hay varias preguntas que debes responder antes del jueves.
Si tu respuesta es igual o parecida tienes un punto.  Si no..... ESTUDIA IDIOTA.

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define In-vitro fertilisation, casarean section and amniocentesis

Amniocentesis: Detect if the baby have prolems analicing amniotic fluid
In-vitro fertilisation: joining female and male cells
Casarean section: When the baby is upside down and the doctor have to cut a piece of ski

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What is placenta and amniotic sac

The placenta gives the fetus oxygen and nutrients. The amniotic sac is a hin bag that protect the fetus. It contains amniotic fluid

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How a boy and a girl can have a fetus?

Firts they have sexual intercouse. The mas deposist his semen into the girls vagina. the sperm cells use their tails to swin into the womans fallopian tubes

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How does the boy organs works

1º Sperm cells are produced on testicles
2º vas defeners transform sperm cells to one of the seminal vesicle
3º Sperm cells in the seman are transported trough prostate to the urethra
4º to the urethra to the end of the penis to expuls it

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Organs of the boy

vas defeners, penis, testicles, prostate, semminal vesicles urethra and foreskin

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Whatt is the menstrual cycle

1-4 blood and tissuefrom the uterus pass out the vagina. Menstruation
4-8 the linig of the uterus thickness to recive an egg cell
8-13 From the ovaries to the fallopian tube
13-28 Is recived from the ovary. If the egg is not feltilizated it expuls of the bodie with blood and tissue

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Organs of girls

ovaries. fallopian tubes,uterus,vagina, cervix

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What are the parts of the ovum and spermatozoon

girl: cytoplasm, nucleus and membrane
boy: head ,tail and nucleus

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How are called the reproductive cells?

gametes.
boy: spertmatozoon sperm cell
girls: ovum egg cell