Answer:
basophils:
Explanation:
primary phagocytic cells type that fights infection
Humans evolved 3 billion years ago after the earth was formed.<span />
This is because blood is a SUSPENSION. Blood is composed of different type of particles with different densities. Blood is made up of platelets, white blood cells, red blood cells and the plasma. Blood is an heterogeneous mixture, which mean that all the components of the blood can be separated from one another. A suspension is a mixture which separate out when left standing; blood can be described as a suspension.
