Table 2. Age-specific physiological heart rate and respiratory rate at rest.

Age	Heart rate	Respiratory rate
	(beats per minute) at rest	(breaths per minute) at rest
0–1 months	100–180	40–60
1–12 months	100–180	35–40
13 months to 3 years	70–110	25–30
4–6 years	70–110	21–23
7–12 years	70–110	19–21
13–19 years	55–90	16–18