How many chambers doesthe fish heart have?

Which circulatory system do you think is most efficient at delivering oxygen rich blood to the tissues of an animal? O Gastrovascular system seen in most Cnidarians O Closed circulatory system seen in vertebrates O Open circulatory system seen in many arthropods

Describe two advantages of a 4-chambered heart.

What is circulatory system and uts varios types?

Tabulate the differences between shark and frog regarding the aortic arches and cranial nerves?

53. The heart is located in as sac call _________ sac which is located in the __________ of the ___________.     pericardial sac, medistinum, thoracic cavity     pericardial sac, medistinum, abdominal cavity     pleural sac, medistinum, thoracic cavity     pericardial sac, medistinum, pelvic cavity     none of the above

Do fishes present an openor closed circulatory system?How many chambers does afish heart have? How doesblood flow throughout the fishbody?

How does the blood get from heart to lungs ? And how does it get back from lungs back to heart

To which heart chamberdoes the blood go afterleaving the left atrium? Whatis the valve that separatesthese compartments?

Give an account of the arterial or venous system of a bird?