? what is the heart function, pumping the blood, mixes the food, filtering the blood, make you breath, ? what the kidneys do, mixes the food, break down the food, filter the blood, the stomach and intestine and the mouth is from, circulatory system, respiratory system, digestive system, ? does exercise increase you pulse rate, yes, no, ? where the kidneys is found in the human body, below the rib cage, inside the skull, between the lungs, ? what is the part that keep your balance, brain stem, cerebellum, cerebrum, ? the food chains start with, animals, humans, plants, is the plants are, consumers, producers, ? what is the prey of the owl, caterpiller, mouse, cat

science

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