This is not a question unless it is true or false, in which the answer would be true.
Answer:
When a person inhales or comes in direct contact with a pet’s fur, dander, or saliva. The immune system which protects us you from infections, produces a protein, called antibodies, to fight off the foreign bodies. Sometimes, our immune system overreacts to certain substances like animal's fur or feather causing allergic reactions.
Explanation:
