What body system has final control over breathing?

a. the nervous system
b. the circulatory system
c. the respiratory system
d. the lymphatic system

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Which chemical equation is unbalanced? which chemical equation is unbalanced

What is the average speed of a car that traveled 300.0 miles in 5.5 hours