Which of the following have four-chambered hearts?
A) Birds
B) Fishes
C) Spiders
D) Frogs
Correct Answer:
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Q8: Gap junctions
A) connect veins and arteries.
B) are
Q9: Which heart chamber is the most muscular?
A)
Q10: In which vertebrate group are there two
Q11: In a grasshopper, all the body tissues
Q12: A three-chambered heart
A) has three ventricles.
B) has
Q14: Which of these animals has a closed
Q15: The left ventricle is more muscular than
Q16: In animals that have open circulatory systems,
Q17: In vertebrates, which heart chamber supplies oxygenated
Q18: In fishes, blood leaving the heart goes
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