Topics: Living Organisms Quiz
On a class field trip, Zach took a walk through the woods using his senses. Zach made observations on the different sights, smells, and sounds in the woods. What system transferred the observations from his senses to his brain?
A. nervous system
B. digestive system
C. circulatory system
D. respiratory system
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Cells need nutrients for energy. Which system is responsible for breaking down food to provide cellular energy?
A. digestive
B. excretory
C. circulatory
D. respiratory