The normal, or average head circumference of a person varies by age and by gender. For an adult male, average head circumference is 22 inches. For an adult woman, it is 20 inches.
The average head circumference of an adult male and female is 22.44 and 20.87 inches, respectively. However, averages vary widely depending on the age and ethnicity of the individual.
Before purchasing a motorcycle helmet, a rider should measure his head at the largest circumference, which is typically just above the eyebrows. Since sizes of helmets typically range between small and extra-large, check...
The average circumference of a newborn's head is between 34 and 35 centimeters, according to The American Academy of Pediatrics. A newborn's head grows as much as 3 centimeters in circumference by one month. Pediatrician...
Body size, weight gain, age, gender and hormones can affect metabolism, according to WebMD. People can control some of these factors and increase metabolism. "Metabolism" refers to how quickly the body utilizes energy.
Each person has four pairs of sinus cavities in his or her head. The four pairs of sinus cavities are the ethmoid, frontal, maxillary and sphenoid sinuses.
When a person is standing in the anatomical position, the head is pointed forward, the arms are at the sides with the palms facing forward, and the toes are pointed forward with the feet slightly separated. The anatomica...