Vital signs are indicators of crucial bodily functions, such as your pulse, respiratory rate, body temperature, and blood pressure. To assess your physical well-being, your healthcare provider may observe, measure, or track your vital signs. Normal vital signs change with age, sex, weight, exercise capability, and overall health. Normal vital sign ranges for the average healthy adult while resting are: Blood pressure: 90/60 mm Hg to 120/80 mm Hg Breathing: 12 to 18 breaths per minute Pulse: 60 to 100 beats per minute Temperature: 97.8°F to 99.1°F (36.5°C to 37.3°C); average 98.6°F (37°C)