The origin of these rhyolite complexes is still not well-understood. Many folks think that Yellowstone, for example, is associated with a hotspot. However, a hotspot origin for most other rhyolite calderas doesn't work; they occur in subduction-related arcs. Examples of rhyolite caldera complexes include Yellowstone, La Primavera, Rabaul, Taupo, Toba, and others.
Average respiratory range by age is given below: 1  Newborns â Average 44 breaths per minute. 2  Infants â 20-40 breaths per minute. 3  Pre school children â 20-30 breaths per minute.  Older children â 16-25 breaths per 1  minute. Adults â 12-20 breaths per minute.  Adults during strenuous exercise â 35-45 breaths per minute.
In most medical settings, the four standard primary vital signs are as follows: Heart rate (pulse). Respiratory rate. Blood pressure. Body temperature. Normal values for each of these vital signs vary by age and, in some cases, by sex. Table 1. Normal Heart Rate by Age (Open Table in a new window).Table 2. Normal Respiratory Rate by Age (Open ....n most medical settings, the four standard primary vital signs are as follows: Heart rate (pulse). Respiratory rate. Blood pressure. Body temperature. Normal values for each of these vital signs vary by age and, in some cases, by sex. Table 1. Normal Heart Rate by Age (Open Table in a new window).