In which of the heart chambers does the coronary sinus empty? a. Right ventricle b. Right atrium c. Left ventricle d. Left atrium Which of the following are associated with aging? a. Increasing blood...

In which of the heart chambers does the coronary sinus empty?

a. Right ventricle

b. Right atrium

c. Left ventricle

d. Left atrium

Which of the following are associated with aging?

a. Increasing blood pressure

b. Weakening of venous valves

c. Arteriosclerosis

d. Collapse of the ductus arteriosus