The simplest animals with a closed circulatory system are:
A) Mollusks
B) Amphibians
C) Annelids
D) Fish
E) Reptiles
Correct Answer:
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Q2: The two largest veins of the body
Q3: The small vessels from which water and
Q5: The largest artery in the body is
Q6: Blood:
A)Is a liquid connective tissue
B)Delivers food to
Q7: The large vessels of the circulatory system
Q8: Vertebrates with a two-chambered heart include:
A)Amphibians
B)Reptiles
C)Birds
D)Fish
E)Mammals
Q9: Which of the following is an artery
Q10: The tough connective tissue sac surrounding the
Q11: Vertebrates with a four-chambered heart include:
A)Fish
B)Reptiles
C)Birds
D)Amphibians
E)Annelids
Q18: Each day the human heart sends a
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