Tears contain an enzyme called lysozyme. This enzyme is able to destroy the cell walls of certain bacteria, thereby protecting the body from infection by these organisims.
It can also protect the body from infection by constantly flowing, flushing out the eye and preventing entry of these organisims into the body.
keep the eyes lubricated
the tears also wash away any harmful bactira from the eyes proventing you from getting conjunctivitus 'eye boggies'
They keep your eyes from drying out, and help remove foreign material from the eyes.
Your eyes constantly rid themselves of foreign particles with tears that wash them away. That's also the reason you tear up and cry when something gets into your eyes.
They contain lysosymes which digest cell walls, and so are effect against the likes of bacteria
they wash out bacteria and help clean your eye out if there are any bacteria trying to enter it.
yes
Antibodies
The hydrochloric acid in the stomach helps protect against disease because it kills many microorganisms and toxins in food.
the white blood cell protects the body against invading pathogens.
white blood cells protect the body from disease while red carry oxygen
To produce antibodies, engulf antigens and produce antitoxin. They do this to protect the body of disease-causing bacteria and viruses.
Antigens do not protect the body from disease. Antibodies protect the body from many diseases.
Vaginal Secretions techniquely do not protect the body from disease. For example, STD, women still get them. However it does protect the body from infections. The secretion is very acidic and kills most infections.
Immunity
Antibodies
If you knew what a disease was, you'd know that they are things that harm or kill people. Then you'd know why the body needs to protect against them.
Immune system protects the body from any type of foreign antigen or pathogen which can cause disease. It also protect from particles to cause disease in human body.
A vaccines helps because they put some of the disease in your body then your body can get use to it so if you get that disease your body can easily fight it out of you!
Active vaccination produces antibodies against the particular organism. These antibodies kill the invading pathogen and protect the body against the disease.
The fluid that carries different substances and cells that help regulate body functions and protect the body against disease and infections is called blood.
The body has a number of natural barriers, your skin, your eyelashes, mucus and even tears are all natural barriers to name but a few.
tears
good bacteria