Human and plants

1234567891011121314151617181920
Across
  1. 2. Muscular organ that pumps blood throughout the body
  2. 6. Blood vessel that carries blood away from the heart
  3. 7. The primary energy currency of the cell
  4. 8. Plant tissue that transports sugars and nutrients
  5. 10. Blood vessel that returns blood toward the heart
  6. 11. Occurring without oxygen, as in certain cellular respiration
  7. 14. Device used to measure blood pressure
  8. 18. A byproduct of anaerobic respiration in yeast and plants
  9. 19. Pores on leaf surfaces that regulate gas and water exchange
  10. 20. Iron-containing protein in red blood cells that carries oxygen
Down
  1. 1. Loss of water vapor from plant leaves
  2. 3. Medical instrument used to listen to heart and lung sounds
  3. 4. Small blood cells that help in clotting
  4. 5. Dome-shaped muscle beneath the lungs that aids breathing
  5. 9. Plant tissue that transports water and minerals upward
  6. 12. Tiny air sacs in the lungs where gas exchange occurs
  7. 13. Upper chambers of the heart that receive blood
  8. 15. The first stage of cellular respiration, breaking glucose into pyruvate
  9. 16. The main artery that carries blood from the heart to the body
  10. 17. Carbon dioxide, a waste product of respiration and reactant in photosynthesis