The digit with only two phalanges in the hand is called the ________.
Fill in the blank(s) with the appropriate word(s).
pollex
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The most numerous of the leukocytes is the
A. neutrophil. B. basophil. C. eosinophil. D. lymphocyte. E. monocyte.
The phase in the cardiac cycle in which the ventricles are completely closed and the volume of blood in them is constant is referred to as the
a. quiescent period. b. isovolumetric relaxation phase. c. ventricular ejection phase. d. isovolumetric contraction phase.
In quiet breathing,
A) inspiration and expiration involve muscular contractions. B) inspiration is passive and expiration involves muscular contractions. C) inspiration involves muscular contractions and expiration is passive. D) inspiration and expiration are both passive. E) None of the answers is correct.
The atrioventricular node is the normal pacemaker of the heart
a. True b. False Indicate whether the statement is true or false