Which of the following is usually NOT present in an open circulation system?
A) veins
B) a heart
C) arteries
D) blood
E) capillaries
Correct Answer:
Verified
Q11: Q13: Automated external defibrillators (AEDs) Q13: Which of these is false about sudden Q15: Proteins constitute what percentage of the human Q16: Which animal has a closed circulatory system? Q19: If a test tube of whole blood Q20: Which of the following is NOT an Q21: Type A blood will NOT agglutinate when Q22: Red blood cells originate in the Q23: Which cell does NOT have a nucleus
A) check for a
A)clam
B)dog
C)spider
D)snail
E)insect
A)liver.
B)spleen.
C)yellow bone
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