A person riding a bicycle wants to move the bicycle forward. She moves her legs up and down on the bicycle's pedals. Then the rider wants to stop the bicycle. She stops pedaling and the bicycle slows. She takes one of her feet off a pedal and puts her foot on the ground to stop the bicycle and stay upright.
Which of these best identifies a pathway of systems in the rider's body, as described in this scenario?
*Hint- the answers are combining the muscular system and skeletal system into the "musculoskeletal system".
A. nervous system → musculoskeletal system – circulatory system - nervous system
B. nervous system - musculoskeletal system — nervous system musculoskeletal system
C. musculoskeletal system - nervous system - circulatory system – musculoskeletal system
D. musculoskeletal system – circulatory system – musculoskeletal system - nervous system C