The answer is ...They should check their facts and exchange questions with each other. .
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C. Sperm and egg cells are made during meiosis
Answer:The immune system is a network of cells, tissues and organs that work together to attack pathogens that try to invade your body. Bacteria, parasites and fungi that may cause infection meet a system of immune soldiers, including T-lymphocytes, macrophages and neutrophils.
Explanation:
