Human Reproduction – Class 12 Biology Notes | CBSE NCERT Based
📚 Chapter: Human Reproduction – Class 12 Biology Notes --- 🔸 Introduction: Human reproduction is sexual reproduction involving the fusion of male and female gametes. This chapter covers reproductive organs, gamete formation, menstrual cycle, fertilisation and pregnancy. --- 🔹 1. Male Reproductive System Primary organs: Testes (sperm production) Accessory ducts: Epididymis, Vas deferens, Urethra Glands: Seminal vesicles, Prostate, Bulbourethral External genitalia: Penis Spermatogenesis: Formation of sperm in seminiferous tubules Hormone control: FSH, LH, Testosterone --- 🔹 2. Female Reproductive System Primary organs: Ovaries (ovum production) Ducts: Fallopian tubes, Uterus, Cervix, Vagina External genitalia: Vulva Oogenesis: Formation of ovum Hormone control: Estrogen, Progesterone, FSH, LH --- 🔹 3. Menstrual Cycle Average duration: 28 days Phases: 1. Menstrual phase (1-5 days) 2. Follicular phase (6–13 days) 3. Ovulation (Day 14) 4. Luteal phase (15–28 days) Controlled by ho...