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a part of the body that makes and releases substances like hormones. start learning
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a chemical made by the body that gives you energy and helps you react quickly in scary or stressful situations. start learning
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the tiny building blocks that make up all living things. start learning
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the organ that pumps blood around your body. start learning
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a chemical made by glands that helps control how the body works. start learning
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organs in your chest that help you breathe by taking in oxygen and getting rid of carbon dioxide. start learning
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to let something out or set it free. start learning
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a feeling of worry or pressure that can happen when you're in a hard situation. start learning
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to try to protect yourself or win by using force or strength. start learning
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running away or escaping from danger. start learning
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the front part of your body between your neck and stomach, where your heart and lungs are. start learning
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a sudden increase in strength or power to help you act quickly. start learning
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a fast, strong feeling or movement, often caused by excitement or chemicals in the body. start learning
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the red liquid that flows through your body and carries oxygen and nutrients. start learning
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parts of your body that help you move and get stronger when you use them. start learning
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the air you take in and out of your lungs when you breathe. start learning
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power or strength that is much greater than what people normally have. start learning
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the part of your body inside your head that controls thoughts, feelings, and actions. start learning
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to focus and listen or look carefully at something. start learning
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very intense or severe in degree start learning
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the possibility of something bad or dangerous happening start learning
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likely to cause harm or injury start learning
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the activity of jumping into water from a high cliff start learning
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a board over a swimming pool used for diving start learning
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a person who dives in sports contests start learning
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a person who jumps from high cliffs into water start learning
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start learning
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with the head going in front of the rest of the body start learning
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jumping from fixed objects using a parachute (building, antenna, span, earth) start learning
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a person with special education and skills for their job start learning
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a device used to slow down a fall from a high place start learning
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a structure with a roof and walls start learning
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a structure built to span over water or a gap start learning
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the act of saving someone from danger start learning
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to have permission to do something start learning
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be allowed to do something
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a rope or wire high above the ground used for walking in performances start learning
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a performer who does acrobatics high in the air start learning
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a famous group of large waterfalls between the US and Canada start learning
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