Answer:
The immune system works to keep germs out of the body and destroy any that get in. The immune system is made up of a complex network of cells and organs that protect the body from infection. Lymph nodes are part of the immune system. They release lymphocytes, a certain type of white blood cell that fights infection.
Explanation:n . Hope this helps .
Answer:
<em>The correct option is A) Communities</em>
Explanation:
Public health can be described as the procedures taken to protect and improve the health of people and communities.
Public health can be promoted by making people more concerned about having a healthy lifestyle, preventing injuries and preventing the spread of infectious agents.
Public health is not specific to a special group rather it tries to focus on every individual of a population. This population might be a small community or the whole country.
It can be treatable through many ways. It can be treated with medication or having counseling!
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