Well it's A. Body Composition but I didn't know you were automatically giving me the answer. I genuinely knew the answer
Explanation:
A healthy body composition is one that includes a lower percentage of body fat and a higher percentage of non-fat mass, which includes muscle, bones, and organs. Knowing your body composition can help you assess your health and fitness level.
During activity or excitement, your body needs more oxygen-rich blood; the heart rate rises to well over 100 beats per minute. Medications and some medical conditions may affect how fast your heart-rate is at rest and with exercise
