Solved

This Structure in the Heart Initiates Action Potentials That Stimulate

Question 15

Multiple Choice

This structure in the heart initiates action potentials that stimulate contraction of the heart at constant rate of about 100 beats per minute.

A) Cardiac accelerator nerves
B) Atrioventricular node
C) Cardiovascular center
D) Sinoatrial node
E) Bundle of His

Related Questions

Q4: In comparison to a sedentary individual,a well-trained

Q11: In a fetus,this structure allows blood to

Q13: What labeled structure in the figure is

Q14: Which structure in the figure is labeled

Q16: This pouch-like structure increases the total filling

Q18: Discuss the common nutrient sources used by

Q18: In the diagram,which labeled structure is the

Q19: In the diagram,where is the left auricle

Q57: What of the following chambers of the

Q77: Which of the following chambers of the