select the correct answer. which animal has a single - loop circulation? a. human b. fish c. housefly d…

select the correct answer. which animal has a single - loop circulation? a. human b. fish c. housefly d. earthworm e. octopus

select the correct answer. which animal has a single - loop circulation? a. human b. fish c. housefly d. earthworm e. octopus

Answer

Brief Explanations:

Fish have a single - loop circulation system where blood flows from the heart to the gills for oxygenation, then to the rest of the body, and back to the heart. Humans have a double - loop circulation. Houseflies have an open circulatory system. Earthworms have a closed circulatory system but not single - loop. Octopuses have a more complex circulatory system with multiple hearts.

Answer:

B. fish