Sally is training for the 1,000-meter running race at her school. her goal is to place third or better. how can sally determine if she is making progress toward her goal? a. she can monitor her practice run times to see if they are decreasing. b. she can watch a video of her running to uncover any deficiencies. c. she can draw a diagram that depicts the forces acting on her legs. d. she can complete an energy analysis to compare her output to her input.

The answer for Plato is A.

since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .