Topic 3 - Breathing & Respiration

• Aerobic respiration equation = glucose + oxygen --> carbon dioxide + water ( also energy )
• Anaerobic respiration ( for humans ) equation = glucose --> lactic acid ( also energy )
• Anaerobic respiration ( for fungi ) equation = glucose --> ethanol + carbon dioxide ( also energy ), this is also called fermentation
• What is a test for glucose?

  Benedicts test
• What are the three main colours on a benedicts test?

  Brick red ( highest concentration ), yellow ( middle concentration ) and green ( low concentration )
• What are some sources of glucose?

  Foods with carbohydrates, or sweet foods
• What is the molecule for glucose called?


  C₆H₁₂O₆
• Why is glucose important?

  energy
• Breathing = moving air in and out of your lungs
• What is the process of breathing also called?

  Ventilation
• What is the hollow part inside a bone?

  Bone marrow
• Respiration = a chemical reaction that occurs in all of your cells
• Gas exchange = the exchange of gases at surfaces such as the alveoli in your lungs
• Trachea = windpipe
• Trachea = has cartilage and is from your mouth till your lungs
• Bronchus = Splits from trachea, plural is bronchi
• Intercoastal muscles = runs between the ribs and contract and relax as a person breathes
• Diaphragm = it contracts and relaxes with the intercoastal muscles during breathing