Food goes in through the mouth and, as it passes through the stomach and the intestines, it is changed into nutrients the body can take in. Saliva changes starch into sugar, and what is not taken in leaves the body as waste. In breathing, the lungs take oxygen into the body and send carbon dioxide out. Nutrients and oxygen are carried all over the body by blood, which the heart pushes around, and the blood carries the carbon dioxide back again. Counting your pulse shows that the heart beats steadily. The body has many organs that do these jobs and work together to keep us alive.
Masashi Yanagisawa, a professor at the University of Tsukuba in Japan, has won a big prize for medical research. He shares the prize with Emmanuel Mignot, a professor at Stanford University in the United States.
A study from 1977 on how to blow your nose has won the 36th Ig Nobel Prize for Medicine. Asahikawa Medical University, a university in Japan, announced the news on September 4, 2026.
Scientists in Japan have found that the way chickens live changes the taste of their eggs. A group led by Professor Tsuyoshi Shinmura of Tokyo University of Agriculture and Technology, a university in Tokyo, the capital of Japan, announced the finding on August 31, 2026.