all units

• Organs found in pairs

  • Kidneys
  • Lungs
• Vital organs


  • Heart
  • Brain
  • Lungs
• Function of the heart

  To pump blood all around the body
• We breathe in oxygen and we breathe out carbon dioxide
• Locations where digestion occurs

  • Mouth
  • Stomach
  • Intestine
• Heart rate of an adult

  70-100
• Heart rate of a child

  90-100
• Parts of the brain

  • Cerebrum
  • Cerebellum
• Germs affect the brain
• Main organs of the circulatory system

  • Heart
  • Blood
  • Blood vessels
• Brain is found in the head
• Organs found below the ribcage

  • Kidneys
  • Stomach
  • Intestine
• Organs found in the chest

  • Heart
  • Lungs
• Heartbeat


  Caused by squeezing of heart muscle
• Types of blood vessels

  • Arteries
  • Veins
  • Capillaries
• When you breathe out

  Your chest gets smaller because the air in the lungs comes out from the nose
• Good places to find pulse

  • Side of the neck
  • Inside of the wrist
• How the stomach helps digestion


  It produces digestive juice
• We need food to get energy
• Food must be digested so it can be absorbed and used by the body
• How digested food reaches all parts of the body

  It is carried in the blood
• Main organs of the digestive system

  • Stomach
  • Intestine
• Digestion


  The process of breaking food particles into tiny pieces
• Kidneys are found below the ribcage at the back of the body
• Size and shape of kidneys


  Size of a computer mouse in adults, bean-shaped
• Main process carried out by the kidneys

  Excretion
• Excretion


  The process of removing waste products from the body
• Things doctors can do if kidneys don't work


  • Remove one kidney (unhealthy, diseased)
  • Dialysis (a machine that acts like a kidney to remove and filter the blood)
  • Kidney transplant (from someone in their family)
• Parts of the nervous system

  • Brain
  • Nerves
• Parts of the brain

  • Cerebrum
  • Cerebellum
  • Brain stem
• Structure of the brain


  Soft, grey, wrinkly organ inside the skull
• How the brain is protected

  By the skull
• Things that affect the brain

  • Germs
  • Tumours
  • Head injuries
  • Lack of oxygen
• The cerebrum is the part of the brain that controls speech
• It is important to protect the brain because it controls everything we do and cannot repair itself
• How the brain sends and receives messages to and from other parts of the body

  Through nerves
• Distilled water


  Water that has been boiled and the steam has condensed to give pure water
• Water inside our bodies

  Not pure, contains substances including salt dissolved in it
• Current


  The rate at which electric charges flow
• Unit of current


  Ampere - the number of charges flowing through a point in the circuit in one second