Across
- 4. The air is _____ when there is no net loss or gain of water molecules by evaporation and condensation.
- 11. Word use to describe the layers of arteries and veins
- 13. all leaves external layer have a waterproof __________.
- 15. Something tha increases in inhalation and decreases in exhalation.
- 16. Oxygen transport is ______ efficient when oxygen is dissolved in water.
- 17. Element used in beauty that can be used to calculate the stomatal density
- 18. I'm a cell that controlls gas exchange in plants.
- 19. ______ around veins are essential to ensure the return of blood.
- 20. which gradient is necessary to assure gas exchange?
- 21. is the total volume of air that can be exhaled after a maximum inhalation or the total volume of air that can be inhaled after a maximum exhalation.
- 23. The process of inhaling and exhaling.
- 24. A risk factor in coronary heart disease.
- 25. Gas exchange surfaces must be _______.
Down
- 1. The lumen of veins is _____ than the one of arteries.
- 2. In a micrograph venis can look ______ while arteries always look rounded.
- 3. main muscle responsible for ventilation.
- 5. Spaces between epithelial cells to allow fluid to leak out of capillaries
- 6. Capillaries which allow larger volumes of tissue fluid to be produced.
- 7. _____ in the walls of the spongy mesophyl allows CO2 to dissolve easily.
- 8. ______ is the basis of gas exchange.
- 9. Muscles in the abdomen ______ in exhalation.
- 10. Cells which produce surfractants in the layer of alveoli.
- 12. people with chroinc obstructive pulmonary disease have fewer and bigger ______.
- 14. Loss of water from plant leaves when the air around is not saturated with water vapour.
- 22. Air's water saturation concentration _____ when temperature rises.