1. animation IVF video

2. Testis Structure HL animation

4. Spermatogenesis HL

5. animation Pearson overview

6. Spermatogenesis and hormones HL

7. Production of semen HL Epididymis: testicle fluids are removed and the sperm concentrated sperm mature here and develop the ability to swim Seminal vesicles: adds nutrients that include fructose sugar for respiration mucus to protect sperm in the cell Prostate: adds fluids that neutralise the vaginal acids and minerals ions

8. Ovary Structure HL

9. Ovary Structure HL

10. Oogenesis HL

11. Oogenesis HL

12. Spermatogenesis versus Oogenesis HL Similarities: Both begin with mitosis Both make use of LH and FSH Both include two meiotic reduction division Differences: HOMEWORK! http://wps.aw.com/bc_martini_eap_4/40/10469/2680242.cw/index.html

13. Sperm and Egg cell HL

14. Fertilisation HL http://www.uchsc.edu/ltc/fert.swf

15. Embryo development HL HCG: Secretion of Progesterone and Estrogen by Corpus Luteum Progesterone and Estrogen inhibit FSH-LH – so no more eggs are released Progesterone maintain endometrium, where the blastocyst develops into a fetus and the placenta forms HCG Progesterone Estrogen

16. Placental structure: HL Placental villi

17. Hormonal Control of Birth HL

18. Hormonal Control of Birth HL