Your Resting Heart Rate (RHR) is the number of times your heart beats per minute while you’re at rest. For a normal health individual
skin temperature is influenced by lots of factors like environment, physical activity, and blood circulation. It usually varies between 33.5 and 36.9 C.
Heart Rate Variability (HRV) is a measure of the variation which happens between each heartbeat. The heart is not a metronome.
It is a well-established medical fact that for each 1° F rise in internal body temperature; Heart Rate increases by about 10 BPM