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Home Q & A Board Biology-Related Homework Help General Biology
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tyressjones tyressjones
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7 years ago
What is the advantage of a closed circulatory system over an open one?
A) A closed system carries more blood.
B) A closed system moves blood more efficiently.
C) There are more blood cells in a closed system.
D) Blood flows more slowly in a closed system.
E) In a closed system, the blood comes nearer to each cell.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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skeledentskeledent
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tyressjones Author
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#2
7 years ago
Exactly what I needed
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