Final answer:
Lysozyme, found in cervical mucus and semen, is an enzyme that provides a chemical defense against bacterial infections of the reproductive organs.
Step-by-step explanation:
Enzymes such as lysozyme, found in cervical mucus and semen, are instrumental in providing a chemical defense against bacterial infections of the reproductive organs. Lysozyme is an enzyme that destroys bacteria by digesting their cell walls. It is present in various body fluids, including mucus and tears, and plays a crucial role in killing bacteria, especially those causing infections.