What is what percentage of maximum heart rate is represented in zone 3 cardiorespiratory intensity?

Zone 3 cardiorespiratory intensity typically represents approximately 70-80% of an individual's maximum heart rate. This level of intensity is considered a moderate to high intensity workout that can improve cardiovascular fitness and endurance. It is recommended for individuals who are looking to increase their aerobic capacity and overall fitness levels. Working out in zone 3 can help improve the body's ability to utilize oxygen more efficiently and can lead to improvements in overall cardiovascular health.