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 ...

This second article in our series on the effects of ageing explores the major anatomical and physiological changes that occur within the respiratory system Subscribe today to access over 6,000 ...

Marine mammals exhibit a suite of physiological adaptations that enable prolonged breath-holding and efficient underwater activity. Their respiratory systems are uniquely modified to withstand extreme ...

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 ...

Most exercise scientists would agree that the physiological determinants of peak endurance performance include the capacity to transport oxygen to the working muscle, diffusion from the muscle to the ...

AMONG the very first of the physiological acts observed were those of respiration. The regular movements of breathing, from the first feeble efforts of the new-born babe until the sigh in the last ...