adindamarzouk
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Which lists three living units of the human body in order from the simplest to the most complex level of organization?

A) red blood cell → circulatory system → blood
B) nervous system → nerves → brain
C) red blood cell → heart tissue → circulatory system
D) bone tissue → skeletal system → bone

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Respuesta :

inostan
It might be either A or B. I’m gonna say B.

Answer:

C. red blood cell → heart tissue → circulatory system

Explanation:

Can I get brainliest please? :)

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