Unit 4- Reproduction

Sexual Characteristics-Caracteres Sexuales

Reproductive Organs-Órganos Reproductores

Low Voice-Voz Grave

Facial Hair-Barba

Higher Voice-Voz Aguda


Wider Hips-Caderas más anchas


Sexual Organs-Órganos Sexuales

Pituitary Gland-Hipófisis


Sexual Hormones-Hormonas Sexuales

Genital Organs-Órganos Genitales


Fallopian Tubes-Trompas de Falopio





Vas Deferens-Conductos Deferentes



Seminal Vesicles-Vesículas Seminales



Sex Cells-Celulas Sexuales

Spermatozoa-Espermatozoides         Ovules-Óvulos

Sexual Characteristics are the physical differences that exist between men and women.  Primary sexual characteristics are the reproductive organs.  Secondary sexual characteristics are not directly related to reproduction.  For example men have a low voice and facial hair.  Women have a higher voice, develop breasts and have wider hips. 

People are born with their sexual organs but they do not begin to mature until a certain age.  Puberty is the stage in a persons development when the reproductive system matures.  Puberty begins with hormones produced in the pituitary gland arrive at the sexual organs.  Then they begin to mature and produce sexual hormones.  These hormones cause the secondary sexual characteristics to develop.

A woman’s reproductive system is formed by various organs called genital organs.  The ovaries produce both sexual hormones and the female sex cells.  The fallopian tubes connect the ovaries to the uterus.  The uterus is an elastic hollow organ where the baby grows during pregnancy.  The vagina is the canal that connects the uterus to the outside of the body.  The vulva is the external part of the female reproductive system.

The male reproductive system is formed by the testicles.  The testicles are where both sexual hormones and male sex cells are formed.  The sex cells are called spermatozoa.  The vas deferens carry the spermatozoa to the urethra.  The urethra releases spermatozoa to the outside.  The prostate and the seminal vesicles produce a liquid that feeds and transports the spermatozoa.  The scrotum is a tissue sac that protects the testicles.  The penis which has the opening of the urethra at its end.