Answer:
it refers to how often you exercise
The right option is; C. portal of entry
The portal of entry is the route or manner in which an infectious agent enters the body. The portal of entry provides access to susceptible tissues in which the infectious agent can multiply and cause disease. Also, infectious agents can use the same portal of entry as a portal of exit to enter a new host. In the scenario from the question, the needle stick was the portal of entry in the chain of transmission.
True because some foods have natural salt
