Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water. The skin contains 64% water, muscles and kidneys are 79%, and even the bones are watery: 31%.
<span>Although the amount varies based on age and gender, generally the human body is made up of about 60% water. Most of this water is stored in our cells, which require water to live, function, and divide. The rest of the water is found in various other parts of our body, such as our bladder.</span>
Because some trait's phenotypes don't indicate their genotypes so in order to predict the phenotype of the offspring you have to know the genotypes of the parents
The instrument used to measure the average kinetic energy of particles in a substance is thermometer. A measure of the average kinetic energy of particles in a substance is temperature