Short Answer
Echinoderms suck water into the water vascular system via a sieved opening called the __________.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q11: The ideal ventilation perfusion ratio for the
Q12: Sea cucumbers have internal respiratory sacs called<br>A)respiratory
Q13: In birds,fresh air from the environment moves
Q14: When CO₂ binds to hemoglobin,it forms _.
Q15: The change in oxygen carrying capacity of
Q17: In vertebrates,most of the bicarbonate in the
Q18: In the context of respiratory physiology,what is
Q19: Draw and explain the sigmoidal shape of
Q20: Why do "water breathers" have a lower
Q21: The relationship between blood pH and CO₂