Which of the following structures help direct blood flow forward and prevent the backflow of blood within the heart?
a. Septa
b. The coronary arteries
c. The atrioventricular valves
d. The pulmonary vein and the pulmonary artery
Answer: c
Health Professions
You might also like to view...
Blue Cross Blue Shield (BCBS) is a type of ____________________ or insurance company
Fill in the blank(s) with correct word
Health Professions
A person's ____ are those physical characteristics that make up a person, including appearance, disposition, and so on.
A. genetic make-up B. cultural characteristics C. familial factors D. ethnocentrism
Health Professions