Class VIII

Smaller sub divisions of arteries in many tiny blood vessels are called
  1. plasma
  2. veins
  3. valves
  4. capillaries
Size of heart is about size of
  1. clenched fist
  2. palm
  3. small finger
  4. foot
Blood is mixture of
  1. red and blood cells
  2. plasma
  3. platelets
  4. all of them
Heart is made of specialized
  1. cardiac muscles
  2. connective tissues
  3. both a and b
  4. skeletal sphincters
Air which we breath in is called
  1. inhaled air
  2. exhaled air
  3. circulated air
  4. deoxygenated air
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