iron-containing protein in red blood cells that carries oxygen for delivery to cells
Red blood cell
a blood cell that assists in blood clotting
A cell in the bone marrow that gives rise to various types of blood cells
White blood cell (leukocyte) containing dark granules that stain with a basic dye.
a measurement of the percentage of packed red blood cells in a given volume of blood
Protein threads that form the basis of a blood clot
this is a white blood cell whose cytoplasmic granules stain readily with an acidic dye
Protein in blood; maintains the proper amount of water in the blood
swelling due to an abnormal accumulation of lymph fluid within the tissues
Gland located near the heart; it aids in the body's defence against infection by making antibodies
exaggerated, life-threatening hypersensitivity reaction to a previously encounted antigen
Masses of lymph tissue in the nasopharynx
protein that defends the body against disease
substance that triggers an immune response
Fluid between cells
Body's capacity to resist foreign organisms and toxins that can damage tissue and organs; humoral and cell-mediated immunity
the virus that causes AIDS
Acquired Immune Deficiency Syndrome
Inherited defect in ability to produce hemoglobin
Lack of mature red cells due to inability to absorb vitamin B12 into the body
Failure of blood cell production due to absence of formation of cells in the bone marrow
excessive bleeding caused by hereditary lack of one of the protein substances necessary for blood clotting
a blood disease characterized by an abnormally small number of platelets in the blood
malignant tumor of bone marrow cells
Excessive deposits of iron throughout the body
Neck (of the body) region
groin lymph nodes
lymph nodes in the armpit
Space between the lungs and the chest
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.