Hiking and health

12345678
Across
  1. 1. very forceful or energetic
  2. 6. relating to the heart and blood vessels
  3. 7. the act of using or spending energy
  4. 8. a tissue in the body that produces movement
Down
  1. 2. a plan to achieve something
  2. 3. a disease in which the body cannot control sugar levels
  3. 4. an area of land, taking into account the physical features
  4. 5. a long walk across the countryside