The first and last one are correct
Answer:
Your target rate should be between 171-200 so if it's the 65% then multiply 200 by .65 and get 130. So that would be the 65% of your target heart rate
Explanation:
Answer: Certain pathogens enter and multiply within the human body.
Explanation:
Infection or invasion of a pathogen inside the body of the human host does not necessary causes the disease. Instead the multiplication and colonization of these pathogens inside the body of the human host is responsible for disease. This is because of the fact that the pathogen's cells multiply and invade the healthy cells of the human host. This process weaken up the host immune system. This process leads to the occurrence of signs and symptoms of the disease.