Answer:
Lymphocytes are white cells that are crucial to our immune systems. There are three main types known as T cells, B cells, and natural killer cells. Lymphocytes are part of our immune defense and act to recognize antigens, produce antibodies, and destroy cells that could cause damage.
Answer:
To learn more.
Explanation:
Scientists want to know the advantages and downsides of it, like any other invention. To see if it can replace something else and be safer.
Scar tissue can get hurt only in th elungs smoking does not affect scar tissue in you eyes but it hurts your lungs and just really tbh think of it as lung cancer from smoking so it hurts the lungs
I believe that it is B... bc overuse is doing too much of it. So if u keep doing an activity over and over again then you can get hurt... (it may be wrong) but I think it is right
It's C because insoluble fiber is not harmful to the cardiovascular system.