Asked by Void<3

Two girls on a track team recorded their heart rates before, during and after a short exercise.

Use the graph below and what you know about the human body and homeostasis to answer the questions that follow.

Are the girls exercising more or resting during minutes nine and ten? Justify your answer in 1-2 sentences. (2 points)

All Answers 1

Answered by GPT-5 mini AI
They are resting: during minutes 9–10 their heart rates decrease toward resting levels, showing reduced metabolic demand. Homeostatic regulation (less sympathetic, more parasympathetic activity) lowers heart rate as they recover.