What determines the level of blood pressure?

The pressure level is provided by several factors:

a heart;


the amount of blood in the body.

The stronger and more often the heart beats, the higher the level of pressure (in particular, systolic) will be. It also depends on how much blood the heart throws out in one contraction (systole). The more blood, the higher the pressure. Vessels affect pressure by changing their tone. The tighter and denser they are, the higher their tone, the higher the pressure. The lower the vascular tone, the lower the pressure. The amount of fluid in the human body affects pressure: the larger the volume of blood, the higher the pressure.

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