Cellular respiration occurs at all times. Photosynthesis takes place in plant leaves containing the chlorophyll pigment. Cellular respiration takes place in the cytoplasm and mitochondria of the cell. Photosynthesis utilizes sunlight to produce food molecules.
Explanation:
This is all I could find there is nothing else about this topic on the internet i am sorry.
Matthew was suffering an anxiety attack, this is proven with his feelings of being "overwhelmed.. feelings of intense apprehension". He was experiencing shortness of breath due to how he was feeling.