The explanation I’ve heard is that we can move because our muscles expand and contract. But then I don’t know how they do that. It feels to me like the answer I hear about how I can move is “smaller things that you are made from move and it makes you move”. I would like to understand on a fundamental level how this process works. I want to know what the smallest component of that process does that results in me being able to do something like type on a keyboard. Thanks.
In: 2
On a basic level cells are mechanical machines using the properties of atoms to generate and controll movement and function.
The basic elemental forces of atoms cause them to interact (chemical reactions) and the shape and form of proteins (the building block of cells) is designed to precisely limit and control these reactions to serve exact functions.
Proteins are special molecules commonly arranged in chains composed of non-reactive exterior proteins folded around reactive interiors. The shape and composition ensures that only specific things can ‘touch’ and react with the interior.
The function of muscle proteins is to change shape when reacting. They are told by electric signals generated by proteins whos role is to do that.
The ultimate origin of the energy is through food. Various process strip energy from the food and add it into you’re cells.
Latest Answers