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gcse ocr b1

biology 1

what do the contractions of the heart increases? blood pressure
where does the blood flow to after leaving the heart? through arteries
how does the blood get to every cell in your body? the blood splits into tiny capillaries which take blood to all the cells
how does the blood get back to the heart? blood travels through the veins
what gets lowers as blood flows through the system? pressure
what is systolic pressure? when blood pressure is at its highest, occurs when the heart contracts
what is diastolic pressure? when blood pressure is at its lowest, occurs when the heart relaxes
what is blood pressure measured in? mm of mercury
what other factors increase blood pressure? smoking, obesity, alcohol, stress
what health problems can cause high blood pressure? burst blood vessels leading to strokes, brain and kidney damage
how can high blood pressure be decreased? lifestyle changes, eating healthy, exercise
what health problems can cause low blood pressure? poor blood circulation, lack of food and oxygen for the tissue leading to dizziness and fainting
Created by: 627079727445931



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