Antigens are any molecules that elicit adaptive immune response. Antigens protrude from pathogens or other intruding substances. Antibodies are proteins found in blood plasma that attach to one particular kind of antigen and help to counter its effects.
Answer:
Not really...
Explanation:
When you hide your emotions no one will no ow you are feeling and how to help you. If it's serious then you can develop some "problems". I would advise you to show your emotions. But you don't have to show all of them, truthful I only show the emotions that I need people to see, any other is just tucked away.
Hope this helps
The kidneys maintain our body's water balance by controlling the water concentration of blood plasma. The kidneys also control salt levels and the excretion of urea. Water that is not put back into the blood is excreted in our urine.
The answer is Mentruation