Science

• Who is mentioned in the study material?

  Ms Loren
• What is the effect of smoking on the brain according to the study material?

  It causes damage to brain cells
• What do cigarettes produce that affects smokers?

  Boxen
• What happens inside our bodies when we breathe in?

  Ribs move up and diaphragm contracts
• What creates a volume of air that rushes in when breathing?

  Diaphragm contraction
• What happens when the diaphragm relaxes during breathing?

  Air is pushed out of the lungs
• What are the four different types of teeth mentioned?

  • Incisors
  • Canines
  • Premolars
  • Molars
• What is the function of incisors?

  To cut food
• What do canines do?

  They tear food
• What is the role of premolars?

  To crush and grind food
• What do molars do?

  They grind food