A healthy heart returns to its resting rate quickly (within 2–3 minutes). Slower recovery may indicate lower physical fitness.
This laboratory work for the 8th grade biology curriculum focuses on measuring heart rate (pulse) to understand how the circulatory system adapts to different physical conditions. laboratornaia rabota 8 klass izmerenie pulsa
The experiment demonstrates that the heart rate is a dynamic indicator that directly responds to the body's physiological needs. non-athletic students? A healthy heart returns to its resting rate