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Which group of animals has a closed circulatory system featuring a single circuit and two heart chambers? tunicates amphibians fish birds mammals
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Which group of animals has a closed circulatory system featuring a single circuit and two heart chambers?

tunicates

amphibians


fish


birds


mammals

User Amy Murphy
by
5.2k points

1 Answer

6 votes

Answer;

Fish

Step-by-step explanation;

  • Fish have a simple circulatory system, which consists of a two-chambered heart, blood, and blood vessels.
  • The circulatory system of fish is a closed circulatory system, in which blood is always contained in a circuit of blood vessels.
  • Fish have a single systemic circuit in which the heart pumps the blood to the gills to be re-oxygenated (gill circulation), after which the blood flows to the rest of the body and back to the heart.
User Cloudhead
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