Study

c

  •   0%
  •  0     0     0

      Back   Restart
  • Where are two good places to feel your pulse?
    Top of the head and the elbow
    Side of the neck and inside of the wrist
    Back of the knee and the chin
  • What does blood pick up in the lungs?
    Carbon dioxide
    Nitrogen
    Oxygen
  • How big is your heart?
    About the size of a football
    About the size of a coin
    About the size of your fist
  • Which vessels from the lungs are special?
    They are the only vessels with valves
    They are the widest veins in the body
    They are the only veins that carry blood with oxygen
  • What does the circulatory system carry around the body?
    Only water
    Only oxygen
    Food and oxygen
  • About how many times a minute does a grown-up's heart beat?
    About 90 times
    About 50 times
    About 70 times
  • What is the pulse?
    The pressure of the blood as the heart pumps
    The sound the heart makes
    The speed blood moves through veins
  • After exercise, your pulse rate…
    stays exactly the same
    gets faster
    gets slower
  • Which organ pumps blood around your body?
    The liver
    The lungs
    The heart
  • About how many times a minute does a child's heart beat?
    About 120 times
    About 70 times
    About 90 times
  • Which vessels join arteries and veins and are very narrow?
    Arterioles
    Capillaries
    Venules
  • What does blood carry away from the body's parts?
    Extra nutrients
    Waste products like carbon dioxide
    Extra oxygen
  • Which blood vessels carry blood back TOWARDS the heart?
    Arteries
    Veins
    Capillaries
  • What do veins usually carry?
    Blood with lots of nutrients
    Blood with lots of oxygen
    Blood with wastes like carbon dioxide
  • What is it called when the heart pumps blood around the body?
    Digestion
    Respiration
    Circulation
  • What causes each beat you feel in your pulse?
    The contraction of the heart muscle
    The opening of the lungs
    The movement of the blood vessels
  • Where does a fish's blood pick up oxygen?
    In the gills
    In the skin
    In the fins
  • How many main parts does the circulatory system have?
    Three — heart, blood vessels and blood
    Four — heart, lungs, blood vessels and blood
    Two — heart and blood
  • What is the heart made of?
    Fat tissue
    A special muscle
    Cartilage
  • Where is your heart found?
    In your chest, slightly to the left
    In your upper back
    In the centre of your chest
  • Why must the heart pump blood to the lungs first?
    To pick up oxygen
    To remove waste
    To warm the blood
  • Which blood vessels carry blood AWAY from the heart?
    Capillaries
    Arteries
    Veins
  • How does a frog pick up oxygen?
    With its lungs AND its skin
    With its gills
    With its lungs only
  • What protects the heart?
    The skin
    The spine
    The ribs
    • Your experience on this site will be improved by allowing cookies.