Prevailing winds and pressure belts are major climate controls. A belt of low pressure known as the intertropical convergence zone (ITCZ) lies along the Equator. On either side of the equatorial low, between 25Â° and 30Â° latitude in each hemisphere, is a belt of high-pressure centers over the oceans. From the equatorial side of these subtropical highssuch as the Hawaiian high.
The normal breathing rate for a 4 month old baby is between 30 and 60 breaths per minute.
Children breathe faster than adults. Body size, weight and activity level influence normal breathing rates. But age is the factor most commonly used to determine normal values. Normal breathing rate ranges from as high as 30 to 60 breaths per minute at birth to as low as 12 to 16 breaths per minute at age 18.Breathing maintains the child's critical balance of oxygen and carbon dioxide.ormal breathing rate in children is easy to measure. Simply count the breathing cycles -- an inhalation and an exhalation is one breath -- in a complete minute. Do not count part of a minute and multiply. A child's breathing rate can be irregular due to pain, crying or restlessness.