Vocabulary

• of course: Sure ; Certainly
• to do with: To be about something; concern
• stick with: To continue to support or stay loyal to someone or something.
• talking about: To discuss a particular topic.
• red hot: Extremely hot; heated to a point of glowing red.
• got to: To arrive at some place
• set off: To start a journey
• used to: Did regularly before, but don't do now
• as soon as: In a short time after (something happens)
• join in
• period: Set amount of time during which events take place
• brain: To strike someone forcefully on the head
• head: To hit a ball with your head in a game
• question: To ask for or try to get information
• cortex: The outer part of an organ/structure, e.g. brain
• system: Set of organized, planned ideas that work together
• long: Person's name
• control: A device designed to operate a machine
• pain: Strong feeling of hurt or discomfort
• flow: To move steadily and easily in a certain direction
• tension: Feeling of anxiety and inability to relax
• blood: Red liquid in the bodies of people and animals
• serotonin: A neurotransmitter in the brain that helps regulate mood, sleep, appetite, and emotional well-being; often referred to as the "feel-good" hormone.
• dull: Not exciting or interesting; boring; lifeless
• caffeine: Substance in coffee, etc. that keeps you awake