Which of the following correctly lists the sequence of heart chambers, heart valves, and blood vessels that a drop of blood would encounter from the time it flows out of the right atrium until it reaches the aorta

the answer is b)3/8x+1

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.

a compound light microscope is used to magnify objects in steps.  

hope it