Which of the following organs function as both a respiratory organ and excretory organ? A- liver

B-skin

C-kidneys

D-lungs

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How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

How energy move through ecosystem ?

Injuries in the environment are a result of