Respuesta :
I believe the answer is D. Examining the different layers of heart tissue
Answer:
A. Studying how bones, ligaments, tendons, and muscles create movement
Explanation:
An activity physiologist examines the human body's physiology throughout the activity and physical effort. He or she utilizes several instruments to analyze the body systems and how they react to the provocation of activity. They then estimate the activity data to develop statements on their subjects.