Cardiac & Respiratory System Flashcards
The nonliving fluid component of blood; mainly water with dissolved substances like plasma proteins
Plasma
Platelets; cell fragments that help stop bleeding when a blood vessel is damaged
Thrombocytes
Blood cell formation
Hematopoiesis
The protein that contains Fe+2 which readily binds to O2, and thus can carry it
Hemoglobin
White blood cells; help our body recognize and fight off foreign substances
Leukocytes
A fluid connective tissue made of living blood cells floating in nonliving plasma that transports a variety of substances critical for maintaining homeostasis
Blood
Rhesus antigens on red blood cells that determine if you make anti-Rh antibodies and thus have (+) or (-) blood type
Rh Factor
Red blood cells; carry O2 and CO2 between lungs and rest of body
Erythrocytes
Anything that the body perceives as foreign that activates an immune response; Glycoprotein and glycolipids markers/tags on our cells
Antigens
The volume of blood flowing through a blood vessel, organ, or the entire circulation system in a given period
Blood Flow
The antigens on red blood cells that determine blood type
agglutinogens
The inner layer of the heart wall that contracts
Myocardium
The hormone that regulates the formation and destruction of red blood cells
Erythropoietin
The fast and localized process the body uses to stop bleeding
Hemostasis
smallest blood vessels with the thinnest walls in order to maximize the exchange of materials between the blood and interstitial fluid
Capillaries
Noncontractile cells that can spontaneously depolarize without neural input
Pacemaker Cells
a network of capillaries
Capillary Bed
What is heard through a stethoscope; associated with the heart valves closing during the cardiac cycle
Heartbeat
when the heart relaxes
Diastole
The force per unit area exerted on a vessel wall by the blood inside it
Blood Pressure
When the heart contracts
Systole
device that tracks the electrical activity of the heart
ECK or EKG
The opposition to flow; the amount of friction the blood encounters as it passes through the blood vessels
Resistance
Smaller blood vessels that branch off of arteries and feed into capillary beds in our different organs and tissues
Arterioles