HUMAN NUTRITION

Detailed explanation-1: -Four main sources of biological contamination include soil and water, cross-contamination, raw materials, and pests. Any type of biological contamination can be introduced at any point in the food processing system.

Detailed explanation-2: -Examples of biological contaminants and the problems they cause include: Bacteria, like Salmonella, which will lead to nausea, vomiting, and diarrhea. Viruses, such as rotavirus, which will lead to the stomach flu. Parasites, like Ascaris lumbricoides, a roundworm that will gladly live inside your gut.

Detailed explanation-3: -These contaminants comprise chemical and physical hazards which may be introduced during animal production, slaughter and processing or packaging.