The document discusses puberty and the male and female reproductive systems. It describes: - Puberty occurs between ages 11-15, signaling the maturation of the reproductive system and development of secondary sex characteristics. - The female reproductive system includes ovaries, uterus, fallopian tubes, and vagina. The ovaries produce eggs and the uterus houses pregnancy. - The male reproductive system includes testes, vas deferens, seminal vesicles, prostate gland, and penis. The testes produce sperm which travel through the vas deferens.

1. Kayla, Carlota, Andrea, María e Itziar The reproductive system s

2. Puberty It occurs when the reproductive system matures and secondary sexual characteristics appear. Puberty starts when the pituitary gland sends hormones to the genital organs. Changes occurs in boy ´ s and girl ´ s bodies: - Girls reach puberty between the ages of 11 and 14. -Boys reach puberty between the ages of 13 and 15. Sexual characteristics: There are two tipes of sexual characteristics. Primary sexual characteristics : They enable human beings to reproduce.We had these when we are born. Secondary sexual characteristics: -Voices, developed muscles and a lot of facial and body hair. -Women have high voices, breast, wide hips and little body hair.

3. Body d evelopment of boys and girls: The male and female sexual organs:

4. The female reproductive system The reproductive system : Both the male and the female reproductive system s consist of internal and external genital organs. Ovaries: They produce the necessary eggs for reproduction. Ovulogenesis is the process of form a tion of the egg,or female gametes. Uterus: It is the organ where the baby develops during pregnancy . Vagina: It is a channel wich connects the uterus to the outside of the body.Its function is to receive the penis during sexual intercourse and to push the baby out of her mother ´ s womb. Fallopian tubes : They connect the ovaries to the uterus. This is the place, where the spermatozoide passes throught in search of the ovule .

5. The male reproductive system The male reproductive system consists of a group of sexual organs that participates in the human reproductive process. The male sex ual organs are : testes , vas deferens, prostate gland and the penis . Two testes :they produced the sperm we need for reproduction. The scrotum: It is a bag made up of skin which contains the two testicles. The vas deferens : sperm travel s through th i s pair of tube s to the urethra . The urethra: sperm travel s through this passage to the outside the male body. The seminal vesicles and the prostate gland : they produce a liquid to feed and transport sperm. The penis: It is a muscle with a lot of capillaries. T he urethra is inside it .