What learn about Respiratory Rate?

I learn how calculated respiratory rate.I how check a patient respiratory rate.I the normal respiratory rate is 12 to 18 beathing per minute. I learn how to read a respiratory rate chart.I learn how to take a respiratory rate. I learn it is important to note weather a patient has any difficulty breathing. I learn how measure respiratory rates. I learn  how control the breathing rate.I learn respiratory rate have no synonyms. This what I learn about respiratory rate.

How  to take somebody respiratory rate