9. (i) The part of eye responsible for change in the size of the pupil is the .............................   10. (ii) The process by which molecules distribute themselves evenly within the space they occupy is termed ........................   11. (iii) The ultimate end parts of the respiratory system in man are the .................................   12. (iv) The organisation which provides relief to victims of any nationals calamity is the ...............................   13. (v) The blood vessel leaving the left ventricle of the mammalian heart is the .............................   14. (vi) The ear ossicle in contact with the oval window of the inner ear is the ...............................