Heart, pumps blood to different parts of the body, Blood vessels, carry blood to different parts of the body, Heart pumps, contracting and relaxing, Heart Rate, Number of times your heart beats in a minute, Pulse, rhythm when there is an increase in the pressure of the blood vessels, Oxygen-rich blood, Lungs -> Heart -> Different parts of the body, Carbon dioxide-rich blood, Different parts of the body -> Heart -> Lungs, How they transport food and water (Human), blood through blood vessels, transport food and water (plants), food-carrying tubes and water-carrying tubes, Resting Level, heart beating at a slower pace, Increases, When exercising, heart rate and breathing rate...

Circulatory System

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