How does the body control the movements of individual muscles?
A. By controlling the amount of oxygen in the bloodstream
B. By regulating the production of hormones
C. By controlling the pH level of the body
D. By sending electrical signals to muscles via the nervous system
Answer:D
How does the body control the movements of individual muscles?
A. By controlling the amount of oxygen in the bloodstream B. By regulating the production of hormones C. By controlling the pH level of the body D. By sending electrical signals to muscles via the nervous system