Why must body systems work together?

to live

Explanation:

Your heart cannot beat if your brain and the nervous system does not work together to send a signal and tell it to beat. It’s the same way with the other organs in your body.

maybe because its impossible for balloons to lift a whole entire house.

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.