1. Male
1.1. Structure
1.2. Gamete
1.2.1. Sperm
1.3. Gonuts
1.3.1. Testes
1.4. Puberty
1.4.1. Around 10-14 years old
1.4.2. Development of secondary sexual characteristics
1.4.2.1. Growth of hair
1.4.2.2. Enlargement of testes and penis
1.4.3. Testosterone is released
1.4.4. Deepening of the voice
2. Fertilization
2.1. 1- Ovum and sperms meet after copulation
2.1.1. 2- They fuse
2.1.1.1. 3- A zygote is formed
3. Female
3.1. Structure
3.2. Gamete
3.2.1. Ovum
3.3. Menstrual Cycle
3.3.1. Around every 4 weeks
3.3.2. Hormones acting
3.3.2.1. follicle-stimulating
3.3.2.1.1. Maturation of follicles
3.3.2.2. oestrogen
3.3.2.2.1. growth of lining of uterus
3.3.2.3. L.H.
3.3.2.3.1. causes ovulation
3.3.2.4. Progesterone
3.3.2.4.1. maintains the lining
3.3.3. Day 1 to 6
3.3.3.1. Menstruation
3.3.4. Day 14
3.3.4.1. Ovulation
3.3.5. Day 12 to 16
3.3.5.1. Fertility window
3.3.5.1.1. Possibility to pregnancy
3.4. Gonuts
3.4.1. Ovaries
3.5. Puberty
3.5.1. Around 10-14 years old
3.5.2. Development of secondary sexual characteristics
3.5.2.1. Breasts grow
3.5.2.2. Widening of hips
3.5.2.3. Growth of hair in pubic region
4. Development of Pregnancy
4.1. 5 weeks
4.1.1. The zygote grows
4.1.1.1. An embryo is formed
4.1.2. Embryo is 12mm long
4.2. 8 weeks
4.2.1. Organs formed
4.2.1.1. fetus
4.2.2. Amnion is formed
4.2.3. Embryo is 60 mm long
4.3. 5 months
4.3.1. Embryo is 250 mm long
4.4. Around 9 months
4.4.1. Embryo is 500 mm long
4.4.2. Gestation period
4.4.2.1. Fetus' head is upside down
4.4.2.2. Fetus is ready to birth