Pitch refers to the ________ of sound waves; pitch is determined by the tension produced by ________ laryngeal muscles.
A. loudness; intrinsic
B. frequency; extrinsic
C. loudness; extrinsic
D. frequency; intrinsic
Answer: D
You might also like to view...
Aplastic anemia is due to intrinsic factor deficiency
Indicate whether the statement is true or false
Which of the following structures sets the pace of heart contraction?
atrioventricular bundle SA node bundle branches AV node
Contractions of the papillary muscles
A) close the atrioventricular valves. B) close the semilunar valves. C) eject blood from the ventricles. D) prevent the atrioventricular valves from reversing into the atria. E) eject blood from the atria into the ventricles.
During ________, the uterus is tented (erected) and the cervix is withdrawn from the vagina. Typically, the clitoris is engorged and the labia are bright red to violet due to hyperemia
A) excitement B) pregnancy C) detumescence D) resolution E) orgasm