Topics: Living Organisms Quiz
From simplest to most complicated, how are multicellular organisms organized?
A. organ system, organ, cell, tissue
B. organ, tissue, cell, organ system
C. tissue, cell, organ system, organ
D. cell, tissue, organ, organ system
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Different systems of the human body perform different functions. Which system takes oxygen from the air to be moved by the circulatory system?
A. the respiratory system
B. the digestive system
C. the nervous system
D. the skeletal system