Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. The line of defense that is his immune system exhibiting is that of " first line of defense." There are only 3 lines of defense in the immune system. The first line of defense are a combination of physical and chemical barriers that prevent all types of foreign agents from penetrating the outer layer of the body. In this case, it is the nasal cavity.
Answer:
The Center for Disease Control and Prevention (CDC)
Explanation:
The mission of the Center for Disease Control and Prevention is to protect the health and safety of citizens. CDC saves lives and offers protection to people from health threats. They disseminate health information that protects the nation from Diseases and harm.
CDC create the expertise, information, and tools that people and communities need to protect their health from any form of disease, injury and disability, and they prepare and plan on hpw to handle new health threats.
The first one is correct, because your skin is always the first thing anything comes incontact with.
Answer:
that would probably be to go to the gym and do weights