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Which of the following animals has a single-loop closed circulatory system: a. fish b. frog c. human d. crocodile
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3 votes
Which of the following animals has a single-loop closed circulatory system:

a. fish
b. frog
c. human
d. crocodile

User Peter Lur
by
8.5k points

2 Answers

2 votes

Answer:

A. fish

Step-by-step explanation:

plato

User Reyaner
by
8.0k points
4 votes
(A) ? I'm guessing...because a fish's life a vary simple...
User CraigP
by
7.9k points
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