1.
What is the straw colored liquid in blood...
A. 
B. 
C. 
D. 
2.
White blood cells transport oxygen (O2) and carbon dioxide (CO2) through vessels.
3.
Red blood cells are bi-concave shaped cells that are produced by the bone marrow.
4.
Hemoglobin is a protein in red blood cells that carries oxygen. A blood test can tell how much hemoglobin you have in your blood.
5.
The hemoglobin test is almost always done as part of a complete blood count (CBC).
6.
__________ is a protein that is carried by red cells. It picks up oxygen in the lungs and delivers it to the peripheral tissues to maintain the viability of cells. It is made from two similar proteins that "stick together". Both proteins must be present for it to pick up and release oxygen normally. One of the component proteins is called alpha, the other is beta. Before birth, the beta protein is not expressed. A variant of this protein found only during fetal development, called gamma, substitutes up until birth.
7.
Leukocytes are white blood cells that protect the body in various ways against disease.
8.
White blood cells combat ________ once they enter the body.
A. 
B. 
C. 
D. 
9.
How many types of white blood cells are there?
A. 
B. 
C. 
D. 
10.
What disc shaped component of blood primarily funtions in clotting?
11.
Plasma is usually described as being what color?
A. 
B. 
C. 
D. 
12.
The liquid portion of blood.
13.
A component of blood that is 92 percent water and contains, oxygen, nutrients and waste products.
A. 
B. 
C. 
D. 
14.
This blood cell typically survives about 120 days.
A. 
B. 
C. 
D. 
15.
This blood cell is made only in the bone marrow.
A. 
B. 
C. 
D. 
16.
Water and hemoglobin comprise this cell.
17.
Red blood cells carry ______ to the cells.
18.
Select the most numerous cell in the body.
19.
This image shows what type of blood cell?
A. 
B. 
C. 
D. 
20.
How many red blood cells does your body contain at any given time?
A. 
B. 
C. 
D. 
21.
Lymph glands work in conjunction with bone marrow to produce this type of blood cell.
A. 
B. 
C. 
D. 
22.
White blood cells are larger than red blood cells.
23.
There are more white blood cells than there are red blood cells.
24.
The cell on the left is a ___ _____ ____.
A. 
B. 
C. 
D. 
25.
The cell in the middle is what component of blood?
A. 
B. 
C. 
D.