1. Reproductive Organs
Male and Female

3. Scrotum
Pouch that contains the testicles. It holds the testicles away from the body. In order to produce gametes, testicles must actually be kept at a temperature slightly lower than bod temperature.

4. Testicle
Contain the seminiferous tubules which produce an average of 400 million gametes a day.

5. Epididymis
The spermatozoa produces are stored in this small elongated organ lying above the testicles.

6. Vas deferens
The spermatozoa enter the vas deferens before being released outside the body during ejaculation.

7. Prostate & Seminal vesicles
Produce semen, the fluid that contains spermatozoa, Semen helps the spermatozoa move and is rich in sugar. It provides male gametes with the energy for swimming after they are released into a woman's vagina during ejaculation.

8. Cowper’s gland
Releases a fluid into the urethra, which neutralizes the acidity caused by any remaining traces of urine that could threaten the survival of spermatozoa.

9. Urethra
The semen flows through this tube during male ejaculation. The urethra also carries urine from the bladder outside the body.

11. Ovaries
A woman has two ovaries. They take turns releasing one ovum about every 28 days – this is called ovulation.

12. Follicles
They are located in the ovaries. Each follicle contains a single ovum, and brings it to full maturity.

13. Fallopian tubes
The ovum released by the follicle travels through the fallopian tubes to reach the uterus. An ovum survives between 24 and 48 hours in the fallopian tubes, where it can be fertilized.

14. Uterus
A hollow, pear-shaped organ. A zygote develops in the uterus if the ovum is fertilized be a spermatozoon.

15. Vagina
The passage into which the penis penetrates to release its sperm. The baby also leaves the uterus through the vagina during birth.