protects animals against diseases, infections and harsh weather conditions
Human blood contains white blood cells, such as neutrophils, macrophages, and lymphocytes, that work together to fight off bacterial and viral infections. These cells help identify and destroy pathogens, as well as produce antibodies that can specifically target and neutralize harmful invaders. Additionally, blood contains proteins like antibodies and complement proteins that assist in the immune response by marking pathogens for destruction and enhancing the ability of white blood cells to engulf them.
protects cells that have not yet been infected by viruses
No, it is quite beneficial. The downside to it is that it has a lot of sugar. Yet, the positives are it: protects against urinary tract infections, contains antioxidants and Vitamin C, protects against stomach ulcers, and even combats the herpes virus.
People build up resistance against some diseases and their immune system protects them against the disease in future infections.
You skin protects your body from infections and punctures. Your immune system protects the body from pathogens. Your hair protects your head from sunburns.
White blood cells
it protects your body as no infections will get into you're blood
The ozone layer protects against sun's harmful rays. These are UV rays.
The Ninth Amendment protects against unreasonable disturbances. The Fourth Amendment protects against unreasonable searches.
Since Hepatitis B vaccine only protects against Hepatitis B, the only thing the vaccine controls is Hepatitis B infections.
Skin protects the inside of the body from bacteria. If it weren't for skin, we would get infections way too easily and certainly would not be able to survive. Not only just bacteria, but from viruses, parasites, and fungi too. A substance called melanin protects your skin from burns.