Immunology

2. the Central and most important part of an object, movement, or group, forming the basis for its activity and growth.
3. A polymeric constituent of all living cells and many viruses
5. A type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles.
8. The smallest structural and functional unit of an organism.
10. Make proteins
11. Any of the nearly colourless cells found in the blood.
12. An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
14. Are group of organisms whose cells lack a membrane-bound nucleus.
16. Constitute a large domain or kingdom of prokaryotic microorganisms.
18. An individual animal, plant, or single-celled life form.

1. A type of white blood cell.
4. A plastid in green plant cells which contains chlorophyll and in which photosynthesis takes place.
6. A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
7. An organism whose cells contain a nucleus and other structures enclosed within membranes.
9. Controls what moves in and out of the cell
13. The Material or protoplasm within a living, excluding the nucleus
15. As the main constituent of chromosomes.
17. Tough sheath or membrane that encloses an organ or other structure in the body, such as a kidney or a synovial joint.