Answer:
Antibody, also called immunoglobulin, a protective protein produced by the immune system in response to the presence of a foreign substance, called an antigen. Antibodies recognize and latch onto antigens in order to remove them from the body.
Cant tell you the types, but they form from the weather elements, from being compressed, etc
Many people hate shots and don't receive the vaccination, causing many illnesses spread around.<span />
Answer:
They digest without the use of teeth.
Explanation:
The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.
It would be C, The internal structure of cells withing the body. Microscopes are designed to look at cells, as the magnification is at that level.