Tears, sweat and saliva all contain enzymes which weaken the cell membrane and kill the bacteria cells.
INTERFERON and VACCINES
This is how vaccines help the body's natural defenses against viruses: -because vaccines contain weak and dead viruses -this can help our immune system to recognize and adapt to it -so this will not be the problem for it if later on this type of viruses threat us Hope this help Vipha
Fruit is the main defense against viruses because it gives you nutrients
interferon
The T cells help protect the body against viruses.
they defend against infection and viruses
Body has got immune system. This immune system or the body immunity forms the antibodies to fight the viruses. The immunity against the viruses is usually life long.
good hygene
1- skin 2- WBCs present in the blood 3- even fever and inflammations can be considered as defences 4- production of immunoglobulins 5- HCL acid produced by the stomach and there are too many others defences that can be studied in each organ or biological system specifically
viruses and tumor cells
Vaccines are given to teach your body how to deal with a particular disease. A vaccine is a dead or weak version of the germ that makes you sick. Your body is able to fight off this small intruder, and in the process develops antibodies that will protect you if you come into contact with the disease in the future.
are antigen apart of the body's natural defense against infections
Echinacea