Game Preview
Digestion
  • Control Panel
  •  41    Featured
    This game is for the revising of topics related to digestion.


      Study Mode
    RonelUJ
  • What is INGESTION?
    Action whereby food is taken in to the alimentary canal.

  • 5 points
  • What is DIGESTION?
    Action whereby large insoluble molecules of food are broken down to small molecules.

  • 5 points
  • What is ABSORPTION?
    Action whereby small molecules are absorbed into the blood.

  • 5 points
  • What is ASSIMILATION?
    How the nutrient molecules are used to become part of your body.

  • 5 points
  • What is DEFECATION?
    Indigestible food residues removed from the body in the from of feces.

  • 5 points
  • Name the two types of digestion.
    Physical Digestion and Chemical Digestion

  • 15 points
  • Physical digestion is also called what?
    Mechanical Digestion.

  • 5 points
  • Name a substance that aids chemical digestion.
    Enzymes

  • 15 points
  • Name three actions whereby physical digestion is performed.
    Grinding, biting, chewing, mixing, squeezing.

  • 20 points
  • What is the most important function of physical digestion?
    It enlarges the surface area of the food by enabling digestive juices to get into closer contact with the food for enzyme action.

  • 20 points
  • Chewing is also known as?
    Mastication

  • 10 points
  • What is the ALIMENTARY CANAL?
    The whole passage along which food passes through the body from mouth to anus during digestion.

  • 10 points
  • Name 5 organs that make up the alimentary canal.
    Mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus.

  • 25 points
  • Give the order in which nutrition takes place, i.e. from when someone eats food until where the waste exists the body.
    1. Ingestion 2. Digestion 3. Absorption 4. Assimilation 5. Defecation

  • 25 points
  • Name the accessory digestive organs.
    Liver, gallbladder, pancreas.

  • 20 points
  • Name the ball-like mixture of food and saliva that forms in the mouth during the process of chewing.
    Bolus

  • 10 points
  • Name two functions of the tongue in human nutrition.
    1. Pushing food between the teeth 2. Mixing food with saliva 3. Forming the bolus

  • 15 points
  • Describe the purpose of peristalsis.
    Pushes the food through the alimentary canal.

  • 5 points
  • Name the creamy fluid that is formed in the stomach.
    Chyme

  • 10 points
  • The picture illustrates which process?
    Peristalsis

  • 10 points
  • Name 3 examples of digestive juices.
    Saliva, Gastric, Pancreatic, Intestinal

  • 20 points
  • The following are all examples of what chemical? Carbohydrase, Lipase, Lactase, Protease.
    Enzyme

  • 10 points
  • Name 2 structural components of the small intestine.
    1. Cells lining the villi have micro-villi. 2. Wall has transverse folds. 3. It is long.

  • 15 points
  • What is the significance of the thin walls of the villi in the small intestine?
    Diffusion is quicker, there is a lacteal in the villus that carries the broken down fats- now glycerol and fatty acids- towards the blood system later on.

  • 15 points
  • What is the significance of the good blood flow of the villi in the small intestine?
    The glucose and amino acids after absorbed will be carried away quickly so the concentration gradient is maintained and more substance.

  • 15 points
  • What are fats broken down into?
    Fatty acids and glycerol.

  • 15 points
  • What are carbohydrates broken down into?
    Glucose

  • 10 points
  • What are proteins broken down into?
    Amino acids

  • 10 points
  • What is glucose turned into/ stored as in the liver and muscle cells?
    Glycogen

  • 10 points
  • Where and as what is extra glucose stored?
    Fat under the skin.

  • 10 points
  • Alcohol, drugs, solvents, pesticides and heavy metals are broken down in which organ?
    Liver

  • 10 points
  • What does glucagon do to the blood sugar level?
    Raises

  • 10 points
  • Diabetes is caused when what problem occurs?
    The pancreas fails to produce insulin so glucose remains in the blood instead of moving into the cells.

  • 15 points
  • Energy in food is measured in what unit?
    Kilojoules (kJ).

  • 10 points
  • Name the two most energy rich foods.
    Alcohol and Fat

  • 15 points
  • Name three functions that depend on the energy begotten from ingesting food.
    Maintaining basal metabolic rate. Digestion and absorption of food. Enables physical activity.

  • 20 points
  • Name 4 components of a balanced diet.
    Carbohydrates, protein, fat, vitamins, mineral salts and fibre.

  • 20 points
  • Name 5 examples of malnutrition.
    Kwashiorkor Marasmus Anorexia Bulimia Food allergies Coronary heart disease Diabetes Obesity

  • 25 points
  • Name the malnutrition whereby someone does not eat in spite of food being available to them.
    Anorexia Nervosa

  • 10 points
  • Name the form of malnutrition whereby someone makes themselves vomit, use laxatives, diuretics or do excessive normal weight look healthy.
    Bulimia

  • 10 points