Heart to Heart
The size of the human heart is ______________.
Size of a clenched fist
The two veins that dump blood into the right side of the heart are the _____ and the _____.
Superior vena cava & Inferior vena cava
Blood that is oxygenated and moves away from the heart is carried in ____________.
Arteries
The bicuspid valve or only two flaps is between the atrium and ventricle on the ___ side of the heart.
Right side of the heart
What is unique about blood flow throw capillaries?
It is real slow
The heart has ___ electrical nodes.
Four
Varicose veins can be treated by surgical removal and ____________.
Support stockings
The first electrical node (SA) node is located _______.
Upper part of the right atrium
If valves go bad what two methods can be used to fix them?
Synthetic valves, pig valves
Why is there a sac around the heart filled with fluid?
To reduce friction.
What is atherosclereosis?
Hardening of the arteries.
In an infant before it is born, there is no blood flow through what two organs?
Liver and lungs
Of the four chambers in the heart, which one has the thickest walls.
Left ventricle
Rheumatic fever which damages the heart is caused by untreated ______________.
Strep throat
Circulation of blood through the lungs is called ________ circulation.
Pulmonary circulation
The wall of muscle separating the right side of the heart from the left side is called the _________.
Septum
Blood flow through the liver will: 1) remove excess glucose, and 2) _______________________.
Removes toxins
Blood flows from 1) right atrium, 2) tricuspid valve, 3) right ventricle, 4) _____________.
Pulmonary artery to lungs
Section of an artery that widens and balloons out and threatens to burst is called a(n) ______________.
Aneurysm
Of Ischemia, Necrosis, Gangrene, which one is complete tissue death.
Necrosis
The drug, nitroglycerin, has what effect on blood vessels?
Dilates or widens them, better oxygen
Veins and arteries have 3 layers: 1) tunical adventitia, 2) tunica media, 3) tunica intima. Which one changes the diameter of the artery or veins?
Tunica media
The last electrical node is at the bottom of the heart and called the ____________ fibers.
Purkinje fibers
What is an auricle?
Flap of tissue on top of the atrium
Hardening of the arteries can be treated by: 1) drugs, 2) bypass surgery, 3) angioplasty or balloon, 4) ________.
Stents