Vocabulary

• break down: To forcibly break, destroy or make collapse
• lead to: To result in some action
• have to: Must do
• in turn: One after the other in a sequence or rotation.
• extended period: A long duration of time.
• use up: To use all of; consume
• energy sources: Materials or processes that can produce energy.
• due to: Because of; owing to
• of course: Sure ; Certainly
• to death: Extremely; to a great degree
• deal with
• around the world: In or to many countries.
• heading to: Going in a particular direction.
• a few moments: A short period of time
• people: Persons sharing culture, country, background, etc.
• brain: To strike someone forcefully on the head
• break: To create a new record e.g. running the 100m dash
• mass: Religious ceremony in some Christian churches
• tissue: Substance formed by cells of living thing; flesh
• diet: To eat special or less food, as to lose weight
• million: 1,000,000
• energy: Physical or mental strength
• blood: Red liquid in the bodies of people and animals
• body: The physical structure of a person or animal.
• chain: To feel to be bound or tied to
• food: What people and animals eat to live
• muscle: Physical power
• glucose: Natural type of sugar found in fruits and plants
• citizen: Person who belongs to and has rights in a country