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Home » Glossary of Heart-Related Terms
Glossary of Heart-Related Terms
- aorta
- the main artery that carries blood away from the heart
- artery
- one of the tubular vessels that carry blood away from the heart
- atrium
- one of the hollow cavities of the heart
- blood
- the liquid that circulates in the heart, arteries, and veins
- blood type
- classification of blood according to its chemical composition
- caffeine
- a stimulating chemical found especially in coffee and tea
- calorie
- a unit for measuring food's ability to produce heat and energy
- capillary
- any of the tiny, thin-walled tubes that carry blood between arteries and veins
- carbohydrate
- any of the various compounds of carbon, oxygen, and hydrogen including the sugars and starches
- clotting of blood
- formation of a sticky mass to stop the flow of blood
- diabetes
- an abnormal state of health marked by insulin deficiency and the urine and blood contain excess sugar
- diet
- the food and drink regularly consumed
- digestion
- the conversion of food into a form that can be absorbed by the body
- drug
- a substance used as or in medicine
- excretion
- separation and elimination of wastes from the body especially in urine
- exercise
- physical exertion made for the sake of health
- fat
- any of the chemical esters that occur naturally and are not soluble in water
- fetus
- an unborn vertebrate especially after its basic structure is formed
- fibrin
- a white, insoluble protein formed by the chemical fibrinogen to form blood clots
- insulin
- a hormone produced by the pancreas essential for bodily use of sugars
- lymph
- a pale liquid consisting chiefly of plasma and white blood cells
- marrow
- soft vascular tissue that fills the cavities of most bones
- metabolism
- the sum of the processes by which a substance is handled in the body
- muscle
- body tissue consisting of long cells that contract when stimulated
- nutrition
- the process by which an individual takes in and utilizes food material
- plasma
- the watery, straw-colored part of blood, lymph, or milk
- platelet
- a colorless disk-shaped body in blood that aids blood clotting
- protein
- any of the amino acids present in all living matter that are an essential food item
- pulmonary circulation
- circulation of blood between the heart and lungs
- red blood cell
- saucer-shaped cell in blood plasma that carries oxygen
- respiration
- the act or process of breathing
- sphygmomanometer
- an instrument used to measure blood pressure
- starch
- a complex carbohydrate that is stored in plants and used for food
- stethoscope
- an instrument used to listen to heart sounds
- stomach
- a sac-like digestive organ into which food goes
- system
- the body as a functioning whole
- systemic circulation
- circulation of blood throughout the entire body
- tissue
- a mass or layer of cells forming a basic structural element of an animal or plant body
- urine
- a liquid waste material from the kidneys
- vein
- one of the tubular branching vessels that carry blood from the capillaries toward the heart
- ventricle
- a chamber of the heart that receives blood from the atrium of the same side and pumps it into the arteries
- vitamin
- any of the various organic substances that are essential in small amounts for most animals and mostly obtained from foods
- white blood cell
- a blood cell that does not contain hemoglobin
