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Skin temperature is the temperature of the outermost surface of the body. Normal human skin temperature on the trunk of the body varies between 33.5 and 36.9 °C (92.3 and 98.4 °F), though the skin's temperature is lower over protruding parts, like the nose, and higher over muscles and active organs. [ 1 ]
The normal range of GFR, adjusted for body surface area, is 100–130 average 125 mL/min/1.73m 2 in men and 90–120 ml/min/1.73m 2 in women younger than the age of 40. In children, GFR measured by inulin clearance is 110 mL/min/1.73 m 2 until 2 years of age in both sexes, and then it progressively decreases. After age 40, GFR decreases ...
While one in five Europeans is 60 years of age or older, only one in twenty Africans is 60 years of age or older. [224] In 2012, the United Nations estimated that there were 316,600 living centenarians (humans of age 100 or older) worldwide. [225]
[1] [2] In modern times, scurvy occurs most commonly in people with mental disorders, unusual eating habits, alcoholism, and older people who live alone. [2] Other risk factors include intestinal malabsorption and dialysis. [2] While many animals produce their vitamin C, humans, and a few others do not. [2]
Phase behavior Triple point: 150 K (−123 °C), 0.00043 Pa Critical point: 514 K (241 °C), 63 bar Std enthalpy change of fusion, Δ fus H o +4.9 kJ/mol
In a typical year, five to 15 percent of the population contracts influenza. There are 3 to 5 million severe cases annually, with up to 650,000 respiratory-related deaths globally each year. Deaths most commonly occur in high-risk groups, including young children, the elderly, and people with chronic health conditions.
It was equally popular with men and women (24% and 25% of online Americans respectively), but more popular with younger generations (36% of 18–29-year olds). [199] A 2019 survey conducted by the Pew Foundation found that Twitter users are three times as likely to be younger than 50 years old, with the median age of adult U.S. users being 40.
The pupil of the human eye can range in size from 2 mm to over 8 mm to adapt to the environment. The human eye can detect a luminance from 10 −6 cd/m 2, or one millionth (0.000001) of a candela per square meter to 10 8 cd/m 2 or one hundred million (100,000,000) candelas per square meter.