Class VIII

Size of heart is about size of
  1. clenched fist
  2. palm
  3. small finger
  4. foot
Protein which is red in color and present in blood is called
  1. hemoglobin
  2. red cells
  3. platelets
  4. iron cells
Muscular organ which pushes blood to all parts of body is called
  1. heart
  2. blood
  3. blood vessels
  4. liver
Upper small chambers are called as
  1. atria
  2. ventricle
  3. systole
  4. diastole
Process by which energy is released from glucose or other food molecules in cell of living organisms is called
  1. respiration
  2. transpiration
  3. digestion
  4. defecation
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