Pulse and pel words

1234567
Across
  1. 5. the number of times that the heart beats within a time period
  2. 6. acting without any planning or thinking about the results
  3. 7. a device that causes a ship to move, has spinning blades
Down
  1. 1. going down a very steep slope holding onto a rope
  2. 2. extremely unpleasant in appearance, smell, taste etc
  3. 3. to force someone to leave the organisation or country, e.g. Australia might ___ diplomats from Russia.
  4. 4. You might use to keep away mosquitoes