The stapes bone, also known as the stirrup bone, is the smallest bone in the human body. Physical Education 15 подписчиков Скачать
The first official game of basketball was played on December 21, 1891, in Massachusetts, USA. Скачать
Trypsin breaks down proteins in the small intestine by cleaving peptide bonds between amino acids. Скачать
A pedometer is a device that counts the number of steps a person takes during physical activity. Скачать
