Can you explain the relationship of your heart rate and the rate of perceived exertion scale?

Trending data is needed when evaluating fitness levels in order to a. compare against others b. chart overall progress c. correct inaccurate data d. keep a person motivated

Which of the following processes does the body not use protein to perform? a. repairing muscles b. producing hormones c. making hemoglobin d. creating amino acids

Which area of the brain controls the body's ability to fight off stress? question 1 options: synapse, frontal lobe, dendrite, sympathetic nervous system