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:
Inspect your home
Be very careful with space heaters.
Check your appliances.
Check the air conditioning and heating unit in your home.
Check the natural gas/LP gas system in your home.
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