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Setler [38]
3 years ago
14

Which of the following organisms has a closed circulatory system?

Biology
1 answer:
hram777 [196]3 years ago
3 0

Answer:

The correct answer is E. Vertebrates have a closed circulatory system.

Explanation:

The main mission of the circulatory system is to deliver oxygen and nutrients to all body cells.

In the closed circulatory system, blood travels inside a network of blood vessels, without leaving them. The material transported by the blood reaches the tissues through diffusion. It is characteristic of all vertebrates, including humans.

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Answer:

a. It's a carrier protein doing facillitated diffusion

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