Which system is primarily responsible for producing gametes and supporting fertilization?

• A. Reproductive System
• B. Endocrine System
• C. Respiratory System
• D. Digestive System

Answer: (A)

The main concept here is identifying which system handles making the cells needed for reproduction and enabling those cells to meet. Gamete production happens in the gonads—testes produce sperm and ovaries produce eggs—and the reproductive tract provides the environment and passages that bring those gametes together and support fertilization. While hormones from the endocrine system influence reproductive function, its role is regulatory rather than directly producing gametes or facilitating fertilization. The respiratory system is about exchanging gases, and the digestive system handles breaking down and absorbing nutrients. So the reproductive system is the one that directly carries out both producing gametes and supporting fertilization.