In the heart, one way traffic of blood is maintained by _____ (#) valves.
When the valve flaps become stiff,_____ (disease) occurs.
Influx of Na ions into muscle cell causes the _____ of action potential.
The actual spike of the potential is due to influx of ______ ions.
Excitation sequence in the heart is started by_____.
Ectopic focus can be caused by _______.
______ transports cholesterol to tissue cells.
Incompetent valves making veins dilated and torturous are called _____ veins.
Histamine ______ blood vessels.
Heart is covered by a double walled fibro-serous sac called ______.
Hyposecretion of pericardial fluid leads to_____.
Walls of atria has combo like muscles called _____ muscles.
Intratrial septum has a depression called _______.
Right ventricle pumps blood to_________.
Internal walls of ventricle has muscular ridges called ______.
The valve which has 3 cusps is _______.
The valve which resembles a Bishop miter is _______.
Left ventricle pumps blood to the ______.
______ are white collagen cords attached to the valves also called as heart strings.
Deficiency of blood delivery to myocardium results in _______.
Prolonged coronary blockage leads to _____.
Resting membrane potential of cardiac muscle is ______ mv.
Cardiac muscles are different from striated muscles by having a distinctive feature_______.
Resting stage of action potential is facilitated by influx of ______ ions.
Irregular heart rhythms leads to _______
Irregular contractions of the heart are called _______.
Epinephrines cause ______ in skeletal and cardiac muscle.
The smallest wave of a normal ECK is _____ wave.
Ventricular repolarization leads to formation of ______ wave.
Systole refers to _____phase of the heart.
Diastole refers to ______ phase of the heart.
The heart sounds Lub-Dup are the sounds associated with ______ valves.
If Vagus nerve connection to the heart is severed, the heart beat will ______.
Unidirectional valves are generally present in ______.
Tunica ____ layer is thicker in veins when compared to arteries.
Heart muscles receive oxygen from _____ circulation.
The opening between the two atria and the fetus is called ______.
Food lipoprotein that removes cholesterol from vessels and carries it to the liver is ______.
Difference between the systolic and diastolic pressure is called ______.