Human Characteristics

1234567
Across
  1. 2. to take waste out of the body.
  2. 5. to make young.
  3. 7. to provide food for the body to convert into energy.
Down
  1. 1. to react to change.
  2. 3. the process of providing air in order to make energy.
  3. 4. to shift position.
  4. 6. something that happens as you age only till 25 years.