The main function is a. excrete wastes from the body in urine.
Answer:
False
Explanation:
You can't control the heart muscle or its cells: they respond to the things our body needs, such as oxygen in our leg muscles as we move, or getting rid of our waste carbon dioxide by breathing out.
National parks reduce the human impact on land by preventing human development.
Well mathematics argue that B is the correct answer, but at this moment Idiocracy states all the other choices
