1.

Fill in the blanksThe blood from the heart is transported to all parts of the body by the …….Haemoglobin is present in ……… cells.Arteries and veins are joined by a network of …….The rhythmic expansion and contraction of the heart are called ……….The main excretory product in human beings is ……….Sweat contains water and ………..Kidneys eliminate the waste materials in the liquid form called ………..The water reaches great heights in the trees because of the suction pull caused by ………..

Answer»
  1. arteries
  2. red blood cells
  3. capillaries
  4. heartbeat
  5. urea
  6. salts
  7. urine
  8.  transpiration.


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