MATCHING -Gap Junctions

MATCHING
-Gap junctions

A) _____ in myocardial cells function as electrical connections and allow the cells to conduct electrical impulses very rapidly.
B) Typically results when the heart's demand for oxygen exceeds its supply from the coronary circulation
C) Specialized nerve tissue located in the internal carotid arteries and the aortic arch that detect changes in blood pressure
D) The _____ septum separates the right and left atria.
E) Electrolyte very important in cardiac muscle contraction.
F) A negative _____ effect refers to a decrease in heart rate.
G) Space between the lungs that contains the heart,great vessels,trachea,and esophagus,among other structures
H) Pulmonary arteries and veins,aorta,superior and inferior vena cavae
I) Term used to refer to distinct conditions caused by a similar sequence of pathologic events-a temporary or permanent blockage of a coronary artery
J) Amount of blood flowing into the right atrium each minute from the systemic circulation
K) Sensors in the internal carotid arteries and aortic arch that detect changes in the concentration of hydrogen ions (pH) ,oxygen,and carbon dioxide in the blood
L) A buildup of excess blood or fluid in the pericardial space can cause cardiac _____.

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