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Blood: Glossary
A
- anemia
- the inability for red blood cells to carry enough oxygen to nourish the body
- antibodies
- proteins in the body used by the immune system to fight foreign substances
- antigen
- any substance that causes the body to produce antibodies
- arteries
- blood vessels that carry blood away from the heart
B
- bacteria
- microscopic life that can cause illness
- blood pressure
- the force that the blood exerts against the walls of veins and arteries as it moves through them
- blood vessels
- veins, arteries and capillaries which carry blood through the body
- bone marrow
- a spongy material in the center of large bones
C
- carbon dioxide
- a gas that is made by the body as a waste product
- circulatory system
- the body system that carries oxygenated blood from the lungs, out to all of the cells and back the heart
- coagulate
- change from a liquid to a gel-like material
- compatible
- able to work together
D
- diastolic
- a number that represents the resting blood pressure
- donor
- a person who gives blood to be transfused
E
- erythrocytes
- red blood cells
H
- HIV
- human immunodeficiency virus - attacks the white blood cells and destroys them
- hematologist
- a scientist who studies blood
- hemoglobin
- a protein that allows red blood cells to carry oxygen
- hemophilia
- a disease that causes the blood to not clot
- histamine
- a protein released by the body in response to antigens
- hypertension
- high blood pressure
- hypotension
- low blood pressure
I
- immune system
- the system of the body that protects it from disease
- invertebrate
- animals without a backbone
L
- leukemia
- cancer of the blood
- leukocytes
- white blood cells
N
- neutropenia
- an abnormally low number of white blood cells
- nutrients
- good parts of food
O
- oxygen
- the gas that our body uses
P
- parasite
- an organism that lives off of a host animal, causing disease
- protein
- a combination of amino acids that helps the different cells of the body
- pulse
- the measure of the heart rate
R
- Rh factor
- an antigen found on the surface of red blood cells of people who test positive
S
- sickle cell anemia
- a disease of certain ethnic groups that causes anemia
- sphygmomanometer
- a tool that measures blood pressure
- systolic
- the pressure of the blood during heart contractions
T
- thrombocytes
- platelets
- tissue
- a collection of cells that perform a job
- transfusion
- the transfer of blood products from one person to another
V
- veins
- blood vessels that carry blood to the heart
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