This site will help you with all kinds of things from health and physical needs. If you have a problem with your health the website is here for you so come visit us and learn how to get going again.
Formal I believe. I'm not exactly sure. but Google always works too
Skin acts as a barrier between invaders (pathogens) and your body.
Digestive system defense has enzymes. The enzymes in your stomach, pancreas, and liver help destroy pathogens.
The circulatory system contains immune cells called lymphocytes, which protect the body against antigens (viruses, bacteria, etc. ) that invade the body.
The respiratory system is a layered defense mechanism which relies on components of both the innate and adaptive immune systems to protect the lungs and the rest of the respiratory tract against inhaled microorganisms.
The body’s innate immune system (nervous system), its first line of defense, recognizes infectious microorganisms such as bacteria, and initiates a generalized short-acting response while summoning the body’s adaptive immune cells to mount a sustained and targeted attack.
I think the answer would be honors & activities. Because getting a prize or awards could be consider an honor. & Plus it doesn't make any sense with the other options.
