Answer:
Blood plasma:
55% composition of blood contains blood plasma. The plasma contains various proteins and coagulating factors. This mainly include the fluid portion of the blood. Plasma is a straw colored liquid that contains antibodies as well as serum.
Formed elements:
45% composition of blood contains formed element. The formed elements contain RBCs, WBCs and platelets. This mainly include the cells portion of the blood. Formed elements is red color or no color depending on the pigment present in the cells of formed element.
AB- is the blood type that is least common and 0+ is the most common
Its the first layer of protection in the atmosphere against radiation from the sun and its harmful U.V. rays.
Answer:
cardiovascular system
Explanation:
Blood, a connective tissue of the cardiovascular system, transports materials to and from cells through a network of blood vessels (i.e., arteries, veins, capillaries). Oxygen is carried by red blood cells, and nutrients are dissolved in the blood's plasma.