Q1. Many physiological changes happen throughout exercise.

a. create a controlled experiment to test hypothesis that an exercise session causes short-term increases in heart rate and breathing rate in humans

b. explicate how at least three organ systems are affected by this increased physical activity and examine interactions among these systems

Q2. Substrate-level phosphorylation occurs within the metabolic pathway where sufficient energy is released by given chemical reaction to drive the synthesis of ATP from ADP and phosphate. In which the metabolic pathways are substrate-level phosphorylation exhibited?