When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
Answer:
Managers use a0 of their organization to help them plan and implement programs in their communities - this statement is false.
Explanation:
Four or more managers taking care of marketing activities report to the Vice president of Marketing or the Chief Marketing Officer. Numerous Regional Sales Managers and an International Sales Manager report to the Sales Manager. And finally, the product or brand managers and their subordinates - their contribution is of utmost importance. Together the entire team helps in planning, implementing and evaluating the marketing strategies of a particular brand or service. So, the above sentence is not true in any sense.
If the disease is communicable, it is contagious. If it is airborne, it is transferred through the air, as opposed to physical touch or blood-borne. Being in a confined space, such as an ambulance, with an airborne communicable disease means you have most definitely been exposed to it.
Red Blood Cells i believe are not part of the immune system. They carry oxygenated blood to the organs of the body
