For moderate-intensity physical activity, a person's target heart rate should be 50 to 70% of his or her maximum heart rate. ... For example, for a 50-year-old person, the estimated maximum age-related heart rate would be calculated as 220 – 50 years = 170 beats per minute (bpm).
Brainlest would be appreciated, have a great day.
Answer: Instinct or reflex
Explanation: Humans avoid anything dangerous or something that could harm them more than help. Unless she's a masochist, she would raise her foot to not get harmed.
Answer:
C, A, B
Explanation:
First a sensore moniters the body's condition
Next the control center interprets the data ans decides what action is necessary
Last the effector causes and action that returns the body to stable condition
