The size of your fist.
Average 7-8 hrs
adults average around 30 inches
the average mans humerous is a bone in his arm
The average is 8 hours a night that you should be getting!!
The pH of the mouth is very variable; sometimes 5,5-6,0. however, on an average basis, it is 7, or neutral.
The average rate of listening efficiency for most adults is 25%
Adults average 2 to 3 ft long, and weigh 10 to 45 pounds. The record was 110 pounds and 5 ft long.
The average newborn stomach size is about 5-7 milliliters.
The average stomach capacity of a newborn is about 30-60 milliliters.
Because every human is different in size and shape everyones stomach is a different length, so there is not a certain length of the stomach.
The length of a teenager's stomach can vary, but it typically measures around 25 to 30 centimeters (10 to 12 inches) in adults, which is similar for teenagers. The stomach is a muscular organ that expands and contracts to accommodate food. Individual variations can occur due to factors like age, height, and overall health.
The esophagus is approximately 25 to 30 centimeters long in adults, though its length can vary among individuals. It extends from the pharynx to the stomach, passing through the neck and thoracic cavity. Its primary function is to transport food and liquids from the mouth to the stomach.