Answer:
glycolysis, the Krebs cycle, and electron transport.
Hey there!
I do believe that your answer will be choice A
The medication would be the controlled variable, the factor that remains constant.
I’m pretty sure it’s the refractory period!!
Hope this helps!
The respiratory system regulates oxygen flow, and provides regulation for oxygen blood content. Circulatory system plays a roll in providing enough oxygenated blood to the body
