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The digested food next passes into the small intestine, where the nutrients

          are absorbed by the blood and transported throughout the body.

          The undigested food passes through the large intestine, stay there for some

          time and goes out of the body through the anus as faeces.

          The Excretory System

          The system  through which our body  waste  is removed is

          called the excretory system. The excretory system consists

          of a pair of kidneys, a pair of lungs and the skin.

          Kidneys remove waste from the blood in the form of urine.

          Skin removes waste  in the  form of sweat.  Lungs remove
          carbon dioxide from our body when we breathe out.


                                                                                                  Excretory System
                                                                   Did You
          The Reproductive System                                   Know?    70% of the waste in the human

          The  reproductive  system helps  in                                body is removed through the
                                                                             lungs simply by breathing.
          producing young ones. Life continues

          because of this system.



































           Amazing     The only human organs that can float in water are the lungs, which keep 1 litre
             Facts     of air in the airways no matter how hard we exhale.



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