Exchange

1. The main vein that carries deoxygenated blood into the right atrium of the heart.
4. A type of membrane transport mechanism involving two different molecules moving across a cell membrane.
8. A type of plant that is adapted to survive in places with very little water.
9. A smaller type of blood vessel that connects capillaries with veins.
10. ventricle - The chamber in the heart that receives oxygenated blood and pumps it out of the heart to the rest of the body.
11. A type of tissue found in plants used in translocation
13. Molecules found in the small intestine that assist in the coagulation of lipids, increasing the lipid surface area for breakdown.
16. Small holes found on leaves that can be opened or closed by guard cells
17. A decrease in the affinity of haemoglobin for oxygen in areas with a high carbon dioxide concentration.
18. The main artery that supplies the heart tissue with blood.
19. A class of enzymes that hydrolyze lipids.

2. A type of blood vessel that carries blood away from the heart.
3. A type of chamber in the heart which receives blood directly from a vein
5. A smaller type of blood vessel that connects arteries with capillaries.
6. The main artery that carries oxygenated blood away from the heart at high pressure.
7. to do with the kidneys
8. The tissue that transports water in the stem and leaves of plants.
11. to do with the lungs
12. A protein found in red blood cells that has a quaternary structure and is specialised to carry oxygen to the tissues.
13. The two airways branching out from the trachea
14. Small openings on the surface of insects that allow for the exchange of gases with their environment.
15. Small air sacs found in the lungs