Mathematics, 22.05.2020 02:12 tai1611
Which three organ systems are directly interacting when a person's brain sends a signal to the person's arm, causing the arm to
move up and down?
A. circulatory system, muscular system, respiratory system
B. nervous system, urinary system, skeletal system
C. muscular system, nervous system, skeletal system
D. circulatory system, muscular system, skeletal system
Answers: 1
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Which three organ systems are directly interacting when a person's brain sends a signal to the perso...
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