Animal tissues, organs and organ systems common mistakes

Common mistakes

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Explain that digestive enzymes convert large insoluble food molecules into small soluble molecules that can be absorbed into the blood..

  Fix itAnswer by clearly explaining how to explain that digestive enzymes convert large insoluble food molecules into small soluble molecules that can be absorbed into the blood..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Explain how the products of digestion are used to build new carbohydrates, lipids and proteins, and how some glucose is used in respiration..

  Fix itAnswer by clearly explaining how to explain how the products of digestion are used to build new carbohydrates, lipids and proteins, and how some glucose is used in respiration..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Explain that bile is made in the liver and stored in the gall bladder..

  Fix itAnswer by clearly explaining how to explain that bile is made in the liver and stored in the gall bladder..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Explain how bile neutralises stomach acid and emulsifies fats to increase the rate of fat digestion..

  Fix itAnswer by clearly explaining how to explain how bile neutralises stomach acid and emulsifies fats to increase the rate of fat digestion..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Interpret simple word equations linked to digestion without needing symbol equations..

  Fix itAnswer by clearly explaining how to interpret simple word equations linked to digestion without needing symbol equations..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Describe the required practical for testing foods with Benedict's solution, iodine solution and Biuret reagent..

  Fix itAnswer by clearly explaining how to describe the required practical for testing foods with Benedict's solution, iodine solution and Biuret reagent..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Describe how to investigate the effect of pH on amylase using continuous sampling and iodine..

  Fix itAnswer by clearly explaining how to describe how to investigate the effect of pH on amylase using continuous sampling and iodine..

• The human digestive system common mistake 1

  Giving a vague answer instead of directly addressing: Calculate and compare reaction rates in enzyme investigations..

  Fix itAnswer by clearly explaining how to calculate and compare reaction rates in enzyme investigations..

• The heart and blood vessels common mistake 1

  Giving a vague answer instead of directly addressing: Describe the structure and function of the human heart in outline..

  Fix itAnswer by clearly explaining how to describe the structure and function of the human heart in outline..

• The heart and blood vessels common mistake 1

  Giving a vague answer instead of directly addressing: Explain that the heart pumps blood around the body in a double circulatory system..

  Fix itAnswer by clearly explaining how to explain that the heart pumps blood around the body in a double circulatory system..