Title: The Circulatory System Interactive Quiz
1The Circulatory SystemInteractive Quiz
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21. What controls the heartbeat?
A. pacemaker
C. Atrioventricular node
B. brain
D. Sinoatrial node
E. A and D
F. None of these
3Awwwwww
Not Right!
4You are SO right!
52. Which structure carries blood away from the
heart?
A. capillaries
C. venules
B. veins
D. artierioles
E. Arteries
F. None of these
6OH NO!!
7Oh Yeah!
83. Which cell structure carries hemoglobin?
A. platelets
C. Leucocytes
B. Red blood cells
D. Lymphocytes
9UH-OH!
10You Rock!
114. Which cell structure aides with blood clotting?
A. platelets
C. Leucocytes
B. Red blood cells
D. Lymphocytes
12Don't go that way!
13You Betcha!
145. What percentage of the blood is plasma?
A. 55
C. 85
B. 45
D. 95
E. Blood doesnt have plasma
15Try again!
16Happy Happy Joy Joy
176. Which cells are involved in fighting
infections?
A. Red blood cells
C. Leucocytes
B. Platelets
D. Lymphocytes
F. Answers C, D and E are correct
E. Phagocytes
18You are not right!
19A WINNER!
207. What prevents blood from backing up in the
veins?
C. Muscle contractions
A. Blood Pressure
D. Valves
B. Heart beat
21Not Again!!
22You are on top of it!
238. What is hypertension?
A. Caused by eating too much salt
C. Means someones blood pressure is too high
B. Makes blood pressure too low
D. Caused by stress
24WRONG!
25BE PROUD!
269. Where does all diffusion take place in the
circulatory system?
A. Arteries
C. Capillaries
B. Veins
D. Heart
27ARGH!! Not RIGHT!
28Celebrate!
2910. What chemical in the blood helps with blood
clotting?
A. Thrombin
C. Prothrombin
B. Fibrin
D. Fibrinogen
30Do you need a hug?
31I'm so proud of you!