The atrioventricular (AV) node is responsible for starting the rhythmic contractions of the heart.
Correct Answer:
Verified
Q8: The top of the heart is called
Q9: Parasympathetic stimulation of the heart decreases the
Q10: Blood from the coronary sinus empties into
Q11: The cardiac conduction system is composed of
Q12: The endocardial layer of the heart wall
Q14: The heart is in the pericardial cavity.
Q15: The oxygen-rich vessels that supply the heart
Q16: Due to the small diameter of the
Q18: Blood that is pumped from the right
Q94: Osmotic pressure forces molecules in the blood
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents