an increase in heart rate an increase in body temperature an increase in oxygen demand an increase in breathing rate
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student practicing for the outdoor track team begins to sweat. To what stimulus is the body responding?
Possibilities:
- an increase in heart rate
- an increase in body temperature
- an increase in oxygen demand
- an increase in breathing rate

an increase in body temperature