Civilian Health and Medical Program of the Veterans Administration (CHAMPVA)
Answer:
4. Pathogens enter and multiply in body tissues.
Explanation:
When pathogen penetrates the host defenses, infection occurs in the host. Infection is a disease of the body that is caused by invasion and multiplication of pathogens (infectious biological agents that causes diseases or illnesses to the host) such as bacteria, viruses, parasites and so on normally not found with the body. They can easily spread from their point of origin if not contained due to the multiplicability of the pathogens causing it.
Depends on what snacks. If it is unhealthy then no/false. If it is healthy then it is true.
The fight-or-flight response (also called the stress response) is a physiological reaction that occurs in response to a perceived threat or danger. This enables the body to take action quickly, and is intended to keep us out of (physical) harm's way.
hope this helps :p