The skeleton of the heart
a. electrically insulates the atria from the ventricles.
b. is composed of bones and cartilage.
c. is the location of the pacemaker.
d. is composed of calcified cardiac muscle.
Answer: A
The skeleton of the heart
a. electrically insulates the atria from the ventricles.
b. is composed of bones and cartilage.
c. is the location of the pacemaker.
d. is composed of calcified cardiac muscle.