Plants

1234567
Across
  1. 2. dioxide humans exhale this and plants use it
  2. 3. plants make this as their food
  3. 5. humans get it from plants and need it survive
  4. 7. holds the plant up
Down
  1. 1. place where photosynthesis happens
  2. 4. sucks up water
  3. 6. contains the embryo