Blood

6. The name of the compound when oxygen binds to the red pigments in red blood cells.
7. Plasma without clotting factors.
8. Serves as the medium to transport substances around the body.
11. This organelle is absent from mature red blood cells.
13. These cells are biconcave discs.
14. Disease causing microorganisms.
15. The enzyme released by plateletes whenever some gets a wound.
17. Is an ion that is very important in the clotting of blood.

1. The yellowish fluid component of blood.
2. Is produced by a lymphocyte to destroy pathogens.
3. This substance forms a fibre mesh at a wound and traps blood cells.
4. These cells live for only about 10 days.
5. This cell has a lobed nucleus.
9. The pigment that transports oxygen around the body.
10. A gas that enters the blood capillaries at the alveoli.
12. A nitrogenous waste found in plasma.
16. These cells have a large round nucleus that takes up most of the cytoplasm.