Molding complex tissues using gallium: Researcher explains new method
When it comes to the human body, form and function work together. The shape and structure of our hands enable us to hold and ...
BBC4y
How do humans breathe?
When a human breathes in, their chest muscles move ... which carries the oxygen to all the cells in the body. The alveoli absorb carbon dioxide from the blood. When we breathe out, the chest ...