Key Words of This Topic
- Circulation system: the system in which the heart moves blood through the blood vessels
- Connective tissue: tissue that links the parts of the body; blood is a liquid connective tissue
- Plasma: the liquid part of blood, 92 percent water
- Metabolic waste: unwanted substances left over from the work of cells
- Blood cells: the solid part of blood
- Erythrocyte: another name for a red blood cell
- Haemoglobin: the iron-containing, oxygen-carrying substance in red blood cells
- Bone marrow: the part inside bones that makes blood cells
- Spleen: the organ where dead red blood cells are collected
- Anaemia: the condition of having far too few red blood cells
- Leucocytes: the white blood cells of the blood taken together
- Antibody: something in the body that fights germs and protects against disease
- Platelets: the smallest blood cells, which make blood clot
- Rhesus (Rh) factor: what makes a blood group positive or negative
- Blood transfusion: giving one person's blood to another person
- Universal recipient: group AB, which can receive blood of any group
- Universal donor: group O, which can give blood to every group
- Cross-matching: testing before a transfusion that the donor's and patient's blood match