The most important factor in ensuring that blood moves in correct order through the heart is (the)
A) location of the main electrical conduction node.
B) pressure of blood in each of the chambers at any given time.
C) strength of the contraction of the different parts of the myocardium.
D) coordination of the timing of atrial and ventricular systole.
E) None of the answers are correct.
B) pressure of blood in each of the chambers at any given time.
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A. stratified columnar epithelium. B. irregular dense fibrous connective tissue. C. stratified squamous epithelium. D. simple squamous epithelium. E. stratified cuboidal epithelium.
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