HC21 Cardiovascular System Questions + Answers Graded A+
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Course
HC21 Cardiovascular System
Institution
HC21 Cardiovascular System
Pericardium - ️️Double sac layering that covers the outside of the heart that
reduces friction as heart pumps.
What is the purpose of the 4 heart valves? - ️️To keep blood flowing only in one
direction in the heart.
Functions of the Cardiovascular system - ️️-Supplies nutrients and ...
HC21 Cardiovascular System
Pericardium - ✔️✔️Double sac layering that covers the outside of the heart that
reduces friction as heart pumps.
What is the purpose of the 4 heart valves? - ✔️✔️To keep blood flowing only in one
direction in the heart.
Functions of the Cardiovascular system - ✔️✔️-Supplies nutrients and oxygen
-removes metabolic wastes and carbon dioxide from cells
-Distributes hormones and antibodies
-Controls body temperature and balances electrolytes
Myocardium - ✔️✔️Middle and thickest layer made of muscle tissues that pumps blood
throughout body.
Endocardium - ✔️✔️Smooth innermost layer of cells that lines the inside of the heart
and blood vessels that allows for smooth movement.
Septum - ✔️✔️Muscular wall separating the left and right sides of the heart
4 chambers of heart - ✔️✔️2 top atria and 2 bottom ventricles
Where does blood enter and exit the heart? - ✔️✔️Enters through the atria and exits
through the ventricles.
Atrioventricular valves - ✔️✔️Valves between atria and ventricles on left and right
sides.
Tricuspid valve - ✔️✔️Right valve in atrioventricular section of heart.
Bicuspid valve - ✔️✔️Left valve in atrioventricular section of heart.
Semilunar valve - ✔️✔️Valves between ventricles and vessels where blood leaves the
heart.
Pulmonary Valve - ✔️✔️Middle right valve in semilunar section of heart.
Aortic Valve - ✔️✔️Middle left valve in semilunar section of heart.
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