Which heart chamber is the most muscular?
A) Left atrium
B) Right ventricle
C) Right atrium
D) Left ventricle
Correct Answer:
Verified
Q4: Which of these animals has a heart
Q5: An artificial pacemaker is a device that
Q6: Which set of chambers supplies blood to
Q7: What is the advantage of a closed
Q8: Gap junctions
A) connect veins and arteries.
B) are
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
Q13: Which of the following have four-chambered hearts?
A)
Q14: Which of these animals has a closed
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