Blood

Blood flows through the body like a river and carries oxygen and food to every cell.

Blood flows in the heart and the blood vessels.

A grown-up has about 5 litres of blood.

    • Skin
    • Skeleton
    • Skull
    • Spine
    • Ribs
    • Muscles
    • Blood vessels
    • Spinal cord
    • Nerves
    • Kidneys
    • Spleen
    • Pancreas
    • Oesophagus
    • Large intestine
    • Appendix
    • Small intestine
    • Bladder
    • Stomach
    • Liver
    • Gallbladder
    • Diaphragm
    • Lungs
    • Windpipe
    • Heart
    • Blood
    • Brain
    • Eyes
    • Ears
    • Nose
    • Mouth, teeth and tongue
    • Journeys: Heart Test yourself
    • Journeys: Brain Test yourself
    • Journeys: Skin Test yourself
    • Journeys: Stomach Test yourself
    • Journeys: Lungs Test yourself
    • Journeys: Eyes Test yourself
    • Journeys: Skeleton Test yourself
    • Journeys: Muscles Test yourself
    • Journeys: Liver Test yourself
    • Journeys: Blood Test yourself