Explain the importance of valves in the heart. No google answer. ASAP PLEASE

The valves in the heart pump the blood around the body. When you feel your heart beating, that's the valves opening and closing.

Valves are like the supply line in the company (which is your body).

the answer would be knowledge about cars!

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.