The soft tissue inside bones that produces blood-forming cells.

A place where blood is collected from donors, typed, separated into components, stored, and prepared for transfusion to recipients; a blood bank may be a separate free-standing facility or part of a larger laboratory in a hospital.

The organs and structures of the heart and blood vessels that transport nutrients, water, hormones, gases, and other substances throughout the body.

Also known as a dermal puncture or finger stick, used to collect small samples of blood composed of capillary, venous or arterial blood.

A blood test procedure performed on microscopic slides that gives information about the number and shape of blood cells.

An odorless, colorless gas that forms in the tissues and is eliminated by the lungs.

A laboratory test used to check for bacteria or other microorganisms in a blood sample.

A basic emergency procedure in cases of cardiopulmonary arrest to re-establish effective circulation and ventilation.

Injection of blood cells or blood substitutes to increase athletic endurance by boosting the bloodstream’s oxygen-carrying capacity.