Introduction

• Gonads - refer to as the primary sex organs
• What is the male primary sex organ?

  Testes
• What is the female primary sex organs?

  Ovaries
• What is the sex cells produce by the gonads?

  Gametes
• Sperm - are male gametes
• Ova - are female gametes
• Zygote - a fertilized egg resulted when a sperm and egg fuse