Question on: SS2 Biology - Transport/Circulatory System
Compare and contrast the circulatory systems of simple multicellular organisms and mammals. How do these systems adapt to the respective organisms' needs?
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Simple multicellular organisms have an open circulatory system, where hemolymph is pumped by a heart-like structure and directly bathes the tissues. Mammals, on the other hand, have a closed circulatory system with a four-chambered heart and specialized blood vessels that allow for efficient oxygen and nutrient delivery to body tissues.
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