Chapter 3 The Cardiorespratory System Flashcards
The inferior chamber of the heart that receives blood from its corresponding atrium and intern forces blood into the arteries
Ventricle
the superior chamber of the heart that receives blood from the veins and forces it into the ventricles
Atrium
The amount of blood pumped out of the heart with each contraction
Stroke volume
The rate at which the heart pumps
Heart rate (HR)
Heart rate times stroke volume the overall performance of the heart
Cardiac output (Q)
Fluid that circulates in the heart arteries capillaries and veins carries nutrients and oxygen to all parts of the body and also rids the body of waste products
Blood
Network of hollow tubes that circulates blood throughout the body
Blood vessels
Vessels that transport blood away from the heart
Arteries
The smallest blood vessels and the site of exchange of chemicals and water between the blood and the tissues
Capillaries
Vessels that transport blood from the capillaries toward the heart
Veins
Small terminal branches of an artery which end in capillaries
Arterioles
The very small veins that Connect capillaries to the larger veins
Venules
A system of organs (the lungs and respiratory passageways) that collect oxygen from the external environment and transports it to the bloodstream
Respiratory system
Is composed of skeletal structures (bones) and soft tissues (muscles) that work together to allow proper respiratory mechanics to occur and help pump blood back to the heart during inspiration
Respiratory pump
The process of actively contracting the inspiratory muscles to move air into the body
Inspiration
