Noun
the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health
Source: WordNetHeart rate drops by half, and breathing rate is slowed by about 30%. Source: Internet
Heart rate increases during inhalation and decreases during exhalation. Source: Internet
Heart rate and blood pressure very low. Source: Internet
Heart rate measurement devices have been on the market for some time. Source: Internet
Heart rate and GPS give you details about your running routes, while there's support for other activities too. Source: Internet