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Normal respiration rate in adults is 12 breaths/min. Normal breathing, as we discussed, is strictly nasal (in and out), mainly diaphragmatic (i.e., abdominal), slow (in frequency) and imperceptible (or small/shallow in its volume).
A normal BP for the average adult should be 120/80 where as a child's will be slighly lower. I believe it is around 110/70. Here are normal vitals for a 10 year old. 7 Year old is very very close. Age: 10 years. Respiratory rate: 15-23.