Biology

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Across
  1. 1. What is the first part of respiration
  2. 3. Heart has ____ chambers
  3. 5. _____ is the major pumping organ
  4. 6. _______ may be epigeal or hypogeal
  5. 8. ______ occurs by agents like wind,water,insects and animal
  6. 9. Human have ____ type of blood
Down
  1. 2. The oxidation of food to release energy is called _____
  2. 4. Another name for Common Cold
  3. 7. Blood consists of plasma,___,WBC and platelets