organs (science) year 8

• Brain


  Responsible for controlling thoughts, movement sensations and emotions. It also regulates breathing and heartbeat.
• Stomach


  Temporary food storage area. Muscle movements and stomach acid breaks our food down.
• Lungs


  Responsible for the exchange of oxygen and carbon dioxide between the body and the air.
• Heart


  Pumps blood throughout the body, delivering oxygen and nutrients to cells.
• Skin


  A protective barrier. Regulates body temperature. Contains sensory receptors for touch, temperature and pain.
• Kidneys


  Vital organs of the urinary system, that filters waste products and excess substances from the blood to produce urine.
• Liver


  Produces bile which helps digest and break down fats and oils. Controls blood sugar, destroys poisons and stores vitamins and iron.
• Small intestine


  Makes enzymes that complete the digestive process. Digested food is absorbed into your bloodstream and carried to all the cells in your body.
• Large intestine


  Undigested material is passed into the large intestine. As material passes, water, salt and vitamins are absorbed so that they can be reused by the body.
• Rectum


  The final part of the large intestine. This is where the faeces are stored.
• Gallbladder


  Bile made in the liver is stored here. Bile breaks up fats into droplets small enough to be transported to the rest of the body.
• Oesophagus


  Also known as the food pipe or gullet. It carries the food to the stomach, using involuntary muscular contractions.