I think the answer is proactive
Answer:
Target heart rate is generally expressed as a percentage (usually between 50 percent and 85 percent) of your maximum safe heart rate. The maximum rate is based on your age, as subtracted from 220. At an 85 percent level of exertion, your target would be 145 beats per minute.
Your neurons are separated into three groups, Motor, interneurons, and sensory neurons. The motor neurons are responsible for movement, interneurons are in the spinal cord which change sensory neurons into motor neurons which make you move
