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HUMAN

REPRODUCTION

By

Guiomar Melendre

Laura Gómez

Leyre Fernández

Teacher: María Class: 6º B

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1- Reproduction

Living things create other living things in the proess of reprouction. Human beings reproduce through sexsual reproduction, bringing male and female sex cells together.

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PRIMARY SEXUAL CHARACTERISTICS

Female Male

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SECONDARY SEXUAL CHARACTERISTICS

Girls develop breasts and their hips get wider.

Boys get deeper voices.

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REPRODUCTIVE CELLS

OVA

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2- The reproductive system

Female reproductive system

Male reproductive system

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THE FEMALE REPRODUCTIVE SYSTEM

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THE MALE REPRODUCTIVE SYSTEM

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3- Pregnancy and birth

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PREGNANCY

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Placenta: is connected to the wall of the uterus.

Umbilical cord:is made of blood vessels.

Amniotic sac: is a membrane filled with fluid.

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DILATIONRhythmic contractions make the opening of the vagina and vulva big enought for the baby to come out.

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EXPULSION The baby is born and the doctor cuts the umbilical cord.

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AFTERBIRTH The placenta comes out of the mother’s body.

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THANK YOU FOR SEE OUR WORK

THE END