The left ventricle is more muscular than the right ventricle because it must push the blood:
A) through the pulmonary arteries only.
B) through the body's extensive system of vessels that nourish all cells.
C) against gas pressure in the lungs.
D) through wider blood vessels.
Correct Answer:
Verified
Q4: In a grasshopper, all the body tissues
Q5: Which of these animals has a closed
Q6: Which set of chambers supplies blood to
Q7: In animals that have open circulatory systems,
Q8: If a person's blood pressure is 120/70,
Q10: In fish, blood leaving the heart goes
Q11: Which of these animals has a heart
Q12: It is important that the atrioventricular (AV)node
Q13: Which of these animals have four-chambered hearts?
A)all
Q14: What is the advantage of a closed
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