Orginisation

• What is a cell?

  building block of living organisms
• What is a tissue?

  A group of cells that perform a specific function.
• What is an organ?

  A group of tissues that work together to perform a specific function in the body.
• What is an organ system?

  An organ system is a group of organs that work together to perform a specific function in the body.
• What is the main function of the digestive system?

  to digest food and absorb the nutrients obtained by digestion
• What is the role of the Pancreas and Salivary gland?

  they are glands that produce digestive juices containing enzymes.
• What is the role of the stomach?

  It produces hydrochloric acid that kills bacteria present and provides an optimum PH for the protease enzyme to function
• What is the role of the small intestine?

  Absorbs soluble food molecules into the bloodstream
• What is the role of the Liver?

  It produces bile which emulsifies lipids and allows lipase to work more efficiently.
• What is the role of the large intestine?

  absorbs water from undigested food.
• Label the diagram.

  A)Mouth B) Esophagus C)Liver D)Stomach E)Pancreas F)Large intestine G)Small intestines H)rectum I)Anus