The Circulatory System: Sentence Correction
Each sentence has a boldfaced word or phrase that does not belong in the sentence but does
belong in one of the other sentences. Correct each sentence by writing in the proper
boldfaced word.
1. Red blood cells are called leukocytes.
erythrocytes
2. The waxy-like substance that can build up along the walls of arteries is plasma.
3. The volume percent of red blood cells is called the differential count.
chloesterol
hematocrit
4. The function of erythrocytes is to protect the body against disease. carry food and oxygen
5. The Vena Cava
except the lungs.
aorta is a vessel carrying blood leaving the heart for all parts of the body
6. A blood clot is called a myocardial infarction.
7. Another name for platelets is erythrocytes.
thrombus
thrombocytes
8. The alternate expansion and recoil of an artery is the sinoatrial node.
9. White blood cells are called thrombocytes.
pulse
leukocytes
10. The liquid part of the blood minus the blood cells is called cholesterol.
11. The function of thrombocytes is to carry food and oxygen.
12. The function of leukocytes is to clot blood.
plasma
Clot blood
Protect the body against disease
13. The pulmonary inferior and superior vena cava is a vessel carrying blood into the heart from
all parts of the body except the lungs.
14. Arteries have valves elastic walls to help keep the blood flowing between heart contractions.
15. A blood cell count which determines the percent of each kind of white blood call is called a
hematocrit.
Differential count
16. Veins have elastic walls
valves
17. A heart attack is called a thrombus.
18. The aorta
to prevent blood from flowing backward.
Myocardial infarction
pulmonary artery is a vessel carrying blood from the heart to the lungs.
19. The pace maker of the heart is called the electrocardiogram.
20. A visual record of heart contractions is the pulse.
Sinoatrial node
electrocardiogram