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:
The answer is B because when the product is still being used after it's expiration date, it has higher chances of having mold or spoiling. That's why you would always want the product with the latest expiration date, so that the product won't expire so early. In which could mean that that type of product is the freshest.
A way of responding to disrespectful behaviours is to take a deep breath and walk away. By doing this, YOU stay in self-control. It helps you practice self-control because it stops you from fighting, and keeps you in control, it can also develop good habits for bad situations.