Systolic is the top number that is when your heart is constricted, and Diastolic is the bottom number when your heart is relaxed in between the steady rythmia of constrict/relax
It is called cadence.
Tide.
The rise and fall of the ocean's surface is called the tide. The tide is caused by the gravitational pull of the moon.
The tide
i think it is the tide
The periodic fluctuation of the sea is called tides.
It is called rhythm.
The tides.
The rise and fall of lake michigan's water, and any other lake or ocean is called a wake.
Tides
tide
muscular arteries