What system is the brain a part of?, Digestive system, Respiratory system, Nervous system, Circulatory system, How fast do the messages in your brain travel?, 24 km per hour, 150 km per hour, 100 km per hour, 240 km per hour, Which part of the brain is the largest?, Cerebellum, Frontal lobe, Cerebrum, Brain stem, What is the main job of the heart?, To help you breathe, To control your thoughts, To pump blood around the body, To digest food, How many chambers (rooms) does the human heart have?, Two, Three, Four, Five, Where does blood go to get oxygen?, The brain, The stomach, The lungs, The hands, Why is the left lung smaller than the right lung?, Because it is a muscle, Because the heart tilts a little to the left, Because it has no bones, Because it holds more air, What is the tube in your throat that carries air to the lungs called?, Esophagus, Bronchial tubes, Trachea (windpipe), Rib cage, What happens to your diaphragm when you breathe in deeply?, It relaxes, It contracts, It disappears, It gets bigger, Your intestines are part of which system?, The nervous system, The respiratory system, The digestive system, The muscular system, How many intestines do you have?, One, Two, Three, Four, Which intestine is about six metres long?, The large intestine, The small intestine, Both of them, Neither of them, Why is the large intestine called "large"?, Because it is longer, Because it is a lot wider than the small intestine, Because it is heavier, Because it has more power, Another name for your intestines is..., Your bowels, Your ribs, Your chambers, Your lobes, Where does waste food leave your body?, The stomach, The anus, The lungs, The trachea, How many muscles does the human body have?, More than 100, More than 300, More than 600, More than 1,000, How many muscles does it take to smile?, 17, 43, 70, 100, How do muscles work?, By contracting and relaxing, By growing and shrinking, By pushing and pulling bones, By beating like a heart, When a muscle contracts, it gets..., Softer, Longer, Shorter, Bigger

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