Because it's an outer layer protecting everything inside the body, and we are practically covered in it with few opportunities / holes where bacteria can enter to cause difference to the immune system.
Answer:
C is the answer cause the hormone secreted by adrenal gland known as adrenaline prepare the body to fight or run when you are angry, worried, afraid etc.
<span>Penicillium notatum is a fungi.
</span>Penicillium<span> is a genus of ascomycetous fungi which has a major importance in the natural environmen. It plays an important role in food and drug production as well. Some members of the said genus produce penicillin, a molecule that is used as an antibiotic. These antibiotics kill or stop the growth of certain </span>kinds<span> of bacteria inside the body.</span>
Physical biological and chemical
Answer:
C. Carbon dioxide
Explanation:
That is the desired product
