REPRODUCTIVE SYSTEM

6th PRIMARY

STAGES OF LIFE

Unborn baby

DIFFERENCES BETWEEN MEN AND WOMEN

WOMEN MEN

Women also have breasts Men have a stronger voice.

Softer voice. More hair.

Less hair. Wider chest than women.

Wider hips.

FEMALE REPRODUCTIVE SYSTEM

MALE REPRODUCTIVE SYSTEM

SEX CELLS

• MALE SEX CELLS– The male sex cells is sperm.

SEX CELLS

• FEMALE SEX CELLS.– The female sex cells is ovum.

FECUNDATION

• If there is any ovum (egg cell) released, the egg cell and the sperm cells meet.

FECUNDATION

• Once a sperm fertilizes an OVUM, it becomes a zygote. The zygote then divides itself to form a very tiny ball called an embryo. The embryo continues downwards and finds itself a confortable place in the uterus.

QUESTIONS (speaking)

• Which are the male sex cells?

• Which is the female sex cell?

• What is the fecundation?

FOETAL DEVELOPMENT• The embryo becomes a foetus (say fee-tus) eight weeks after

fecundation. The foetus depends upon its mother for protection, oxygen and nutrients as it develops. Inside the uterus, there is a bag called the. ‘Amnion’

BIRTH

• After nine months the baby is fully developed and ready to be born into the big wide world.

ACTIVITIES

• 1.- What is the fertilisation?

• 2.- Match the wordsMale cells sex Meet sperm and ovumFemale cells sex 9 months. Pregnancy SpermFertilisation Ovum

JOURNAL

• How do you feel today?

• What have you learnt today?