Charles is an engineer who is evaluating a prototype of an artificial heart. He should notice the prototype missing is : a structure that would divide the hollow heart into chambers to separate oxygenated blood from deoxygenated blood.
Answer:
C) hindbrain is the correct option
Explanation:
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Answer:
chloroplasts and endoplasmic
Explanation:
About 97.5% of the earth's water is saltwater and about 2.5% is fresh.
