Human reproduction ( Chapter 11 )

Male reproductive System

Sperm Duct

Urethra

Testis

Penis

A male productive organ that produces sperms and male sex hormones

A tube which transports sperms to the urethra

A tube which transports sperms and urine at different times ( only one at a time )

An organ which deposits sperms into the vagina of the female

Female reproductive System

Fallopian tube

Ovary

Uterus

Vagina

A tube which collects the egg and carries it to the uterus

A muscular structure where the fetus develops during pregnancy

A female reproductive organ which produces eggs and female sex hormones

A muscular tube where sperms are deposited

Male body

Voice

  • Voice box enlarges
  • Voice becomes deeper

Body

Growth of moustache , beard
Hair grows in the armpits , and on the chest and limbs

Reproductive organs

  • Testes produce sperms and sex hormones
  • Hair grows at pubic region
  • Penis enlarges

Female body

Body

  • Breasts grows bigger
  • Hair grows in the armpits
  • Hips are broader and rounder

Reproductive Organs

  • Ovaries release mature egg and sex hormones
  • Hair grows at pubic region
  • Menstruation begins

Fertilisation

Although many sperm cells are released , only one sperm cell can fertilise the ovum

The menstrual Cycle

During puberty , girls begin to experience menstruation about once every 28 days