Heart - Your _____ rate will start to increase when you exercise and you’ll feel your _____ beating faster, lungs - With your _______you will start to breathe more quickly and heavily, Brain - blood flow to the _______ also increases which gives it more oxygen and nutrients, intestines - twisty tube inside your tummy, kidneys - They remove things your body doesn’t need, like extra water, salts, and waste products., stomach - The stomach is like a big, stretchy bag that helps with digestion., liver - The liver helps clean your blood by removing toxins and waste products.,

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