Select the components of the blood.
Formed elements (red blood cells, white blood cells, and platelets).
Both a and b.
Plasma is best described as ______________________
The protein material that carries dissolved oxygen in the blood.
The liquid portion of the blood that is responsible for blood clotting.
The clear fluid that remains after the blood has clotted.
d. The clear fluid portion of the blood that accounts for approximately 55
percent of the total blood volume.
Red blood cells (RBCs) are best described as _______________
a. Fragments of cells that aid in the clotting of blood by clumping together
and by releasing certain chemical factors related to clotting.
b. The formed elements of the blood that phagocytize (swallow up)
foreign particles and organisms.
c. Biconcave discs that contain hemoglobin, a protein responsible for
carrying most of the oxygen transported by the blood.
d. The formed elements of the blood that produce antibodies and serve
other functions in immunity.
Which of the following statements best describes veins?
The blood vessels that carry blood to the chambers of the heart.
The blood vessels that carry blood away from the chambers of the
Extremely thin-walled blood vessels that act as exchange areas.
Blood vessels that always carry deoxygenated blood.