Phagocytes are the Leukocytes that respond to nonspecific foreign invaders. While Lymphocytes respond to specific invaders. These are components of the blood that are triggered by the immune system when invaders (e.g. bacteria, virus) enter the body. Without these components in the blood, the body will not be able to protect itself from numerous diseases. These are major defense mechanisms of the body.
Answer:
the early groups where found already
Explanation:
C.) limited supply of land.
Mongols I believe is the right answer <span />
