Fill in the blank with the best possible answer.

1		The fluid connective tissue found within the cardiovascular system is called .
2		The packed cell volume is the same as the .
3		The liquid portion of blood is called .
4		The blood cell without a nucleus is the .
5		The protein that carried oxygen is called .
6		Cells classified as do NOT have visible inclusions in their cytoplasm.
7		Cells with deep blue or black granules are called .
8		The chemical in a basophils granules that causes increased blood flow is .
9		The blood cells that are active in immunity are called .
10		The most numerous WBC is the .
11		The smallest of all of the formed elements are the .
12		Carbon dioxide is carried on the of hemoglobin.
13		Most carbon dioxide is carried in the form of ions.
14		The most abundant protein in plasma is .
15		The protein in blood that eventually polymerizes to form a clot is .