Functions of Cardiovascular system
What is the primary function of the cardiovascular system?
Transportation of substances throughout the body
List the components of the cardiovascular system.
Heart
Blood vessels
Blood
Sites of gas exchange
Capillaries
The most numerous white blood cell
What is a "neutrophil"?
Responsible for blood clotting
What is Platelets
List three substances that are carried by blood through the body.
Oxygen
Carbon dioxide
Nutrients
Wastes
Hormones, etc.
The heart's two upper chambers, which receive blood.
What are atria?
Freshly oxygenated blood is received into what chamber of the heart?
What is the "left atrium"?
Blood type that present no antigens
Type O
The shape of a red blood cell
What is biconcave disc?
Cavity in which the heart resides
Thoracic Cavity
This separates the right and left ventricles
The ____________ node acts like a stop sign where the action potential is paused during atrial contractions.
atrioventricular node (AV)
This is the liquid portion of blood
What is Plasma
This means formation of new blood cells
What is hematopoiesis
There are four valves inside the heart name them.
Tricuspid, Mitral or bicuspid, Pulmonary semilunar, and Aortic semilunar
The heart conduction system begins in this location
sinoatrial node (SA node)
The word “systole” means _____________.
The word “diastole” means ____________.
contraction, relaxation
The process of how we stop bleeding when an injury occurs
What is hemostasis
This provides a defense against parasites
What is eosinophil
This is the number of times you heart beats per minute
heart rate
The blood pressure is taken in the ________ because it is most likely the pressure in the _______.
brachial artery; aorta
These are the smallest branches of the cardiac conduction system...funny name, but important job!
Purkinje Fibers
This element is essential in creating hemoglobin
iron
This is the largest of the white blood cells
Monocytes