Vocabulary

• in reality: Actually; in fact; truly.
• in the air: Present or circulating in the atmosphere.
• in turn: One after the other in a sequence or rotation.
• source for: A place, person, or thing from which something comes or can be obtained.
• also known as: Also called; alternatively named.
• in times: During periods or moments of.
• with age: As someone gets older; as time passes.
• revolve around: To have something as a main subject or purpose.
• come down to: To become in the end a matter of
• as we know it: In the form or way commonly understood or accepted.
• ultimately: Done or considered as the final and most important
• lead: Wire for electricity, computer, etc.; cable
• ability: The power, resources or skill to do something
• function: Social event, or party such as a wedding
• divide: To split numbers by another number, e.g. 6 / 2 = 3
• therapy: Treatment to help cure an illness
• role: Character played by an actor
• occur: To come to pass or to happen
• energy: Physical or mental strength
• silence: State of being quiet and not talking for a time
• stem: Long thin central part of a plant, bearing leaves
• age: To keep food, wine for a long time to improve it
• genetic: Of, relating to, or controlled by genes
• body: The physical structure of a person or animal.
• cell: Smallest unit of living things in biology