B3 so far

1. These are transported into the root by active transport
4. A condition in plants in which transpiration is happening at a rate faster than the plant can take water in throught the roots
5. The large artery in which blood leaves the heart to travel round the body
6. found in plasma and have no nucleus
9. This is found on the surface of leaves to prevent transpiration
10. The vessel in a plant that carries glucose
11. An important ingredient in sports drinks
13. This is created by the thin membrane of the alveoli
14. The process by which water leaves leaf tissue
17. Prevent backflow in veins
18. The vessel in a plant that carries water

1. The alveoli must be _______ to allow gases to dissolve for diffusion
2. A mechanism of transporting substances against their concentration gradient
3. These control the opening and closing of stomata in different environemntal conditions
7. Water molecules in the xylem have ________ forces which aid in water transport
8. All exchange surfaces have this to ensure efficient gas exchange
12. An exchange surface in mammals that uses diffusion and active transport
13. A devise used to hold open arteries
15. vein carries blood from the lungs to the heart
16. The transport of water across a partially permeable membrane