Vocabulary

• in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
• such as: For example; like
• lead to: To result in some action
• warm up: To gently exercise muscles before doing sport
• prior to: Before a particular time or event.
• stretch: To make your arm, leg muscles long to ease them
• strength: Condition of being strong
• increase: To make or become larger in size or amount
• competition: Fighting against others to win something
• science: Study of the physical world, based on facts
• performance: Act of doing something
• occur: To come to pass or to happen
• allow: To admit the validity or truth of something
• blood: Red liquid in the bodies of people and animals
• oxygen: A gas in the air that we need to breathe
• body: The physical structure of a person or animal.
• range: Cooking stove with multiple burners
• muscle: Physical power
• decrease: To reduce the size, amount or number of something
• temperature: When you your body heat is above normal