The part of your brain that controls your heart and lungs is the medulla.
I would say life or health. Do you have any notes?
The correct answer is <span>It
can leave dirt and allergens inside your nose, which your immune system
must remove by creating specific antibodies which can attack you
The nose hair found in your nose is used to prevent bad things from going in, and if you pick your nose, you're directly putting stuff inside and ignoring your natural protection against bad things such as viruses or bacteria.</span>
Answer:
a chemical process in which substances act mutually on each other and are changed into different substances, or one substance changes into other substances.