The document describes the basic human reproductive system and process of creating offspring. The male reproductive system produces sperm stored in the testicles, while the female stores eggs in the ovaries. Fertilization occurs when a sperm fertilizes an egg in the woman's uterus, leading to an embryo developing over 9 months into a baby being born.

2. Reproductive system.
 Our reproductive system allows us to have babies.

3. Reproductive system
 Men and woman have different reproductive systems.

4. male
 The sperm in the male is kept in the testicles.

5. Female
 The eggs in the female are kept in the ovaries.

6. sometimes
 A sperm from the man fertilises an egg from the
woman.

7. The fertilised egg goes to the
 uterus

8. Changes into a
 embryo

9. 9 months later a…
 Baby is born.