Human beings like other land animals breathe though their nostrils in noses and with the help of lungs. A pair of lungs are located in the airtight thoracic cavity that is bounded by a convex muscular ...

Measurement of respiratory rate is a vital sign. Nurses need to understand the anatomy and physiology of normal breathing to measure respiratory rate and interpret findings. The second in our ...

Respiration is the process by which energy is released from food in our body. The function of respiratory system is to breathe in oxygen for respiration producing energy from food, and to breathe out ...