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The Following Statements Describe Features of Cardiovascular Systems

Question 39

Matching

The following statements describe features of cardiovascular systems. Match the appropriate system from the list to each description. Some choices may be used more than once.

Premises:
circulatory pump in amphibians and lizards
unidirectional air exchange
thin, moist layer of epithelial cells
do not expand or contract
circulatory pump in trout and zebrafish
gases move through interstitial fluid through the body
hemolymph is pumped into vessels
may be internal or external
this occurs at the body surface and lining of the gastrovascular cavity in cnidarians and flatworms
utilizes a countercurrent exchange system
bidirectional air exchange
two-circuit system in which oxygen-rich and oxygen-poor blood mix
evolved independently in multiple groups of organisms
respiratory surface is a dead end at the end of the line
blood is under least pressure as it leaves gills
prevents oxygen-poor blood from flowing to tissues
gas-carrying fluid returns to the heart through pores in heart wall
Responses:
open circulatory system
two-chambered heart
direct gas exchange
three-chambered heart
bird lungs
four-chambered heart
gills
mammalian lungs
respiratory surface

Correct Answer:

circulatory pump in amphibians and lizards
unidirectional air exchange
thin, moist layer of epithelial cells
do not expand or contract
circulatory pump in trout and zebrafish
gases move through interstitial fluid through the body
hemolymph is pumped into vessels
may be internal or external
this occurs at the body surface and lining of the gastrovascular cavity in cnidarians and flatworms
utilizes a countercurrent exchange system
bidirectional air exchange
two-circuit system in which oxygen-rich and oxygen-poor blood mix
evolved independently in multiple groups of organisms
respiratory surface is a dead end at the end of the line
blood is under least pressure as it leaves gills
prevents oxygen-poor blood from flowing to tissues
gas-carrying fluid returns to the heart through pores in heart wall
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