Class VIII

Blood vessels which carry blood away from heart to body parts are called
  1. arteries
  2. veins
  3. valves
  4. capillaries
Number of chambers in a heart is
  1. 2
  2. 3
  3. 4
  4. 1
Protein which is red in color and present in blood is called
  1. hemoglobin
  2. red cells
  3. platelets
  4. iron cells
There is surrounding of rich capillaries around
  1. trachea
  2. alveoli
  3. nostril
  4. bronchi
Air which we breath in is called
  1. inhaled air
  2. exhaled air
  3. circulated air
  4. deoxygenated air
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