Multiple Choice
Which of the following are accurate regarding open and closed circulatory systems?
A) Both systems allow for the oxygenation of blood.
B) Only open systems allow for direct mixing with bodily fluids.
C) There is no real need for capillaries in open systems.
D) Closed systems separate oxygenation and nutrient pick up.
E) All of the answers are correct.
Correct Answer:

Verified
Correct Answer:
Verified
Q27: During which phase of the heartbeat does
Q42: The "blood" in mollusks is pumped in
Q43: Single cellular organisms can rely on diffusion
Q44: The largest artery in the human body
Q45: Heart attacks and strokes both are results
Q47: Which of the following is most likely
Q48: Which of the following is placed
Q49: What is happening in a capillary in
Q50: Some foods raise the cholesterol in the
Q51: Mitochondria are organelles that use oxygen during