Anatomy and Physiology of Animals/Cardiovascular System/The Heart/Test Yourself Answers

1. Via what vessel does blood enter the heart from the body?

Blood enter the heart from the body via the cranial and caudal vena cavae.

2. Blood passing through the right atrioventricular valve passes into which chamber of the heart?

Into the right ventricle.

3. What is the function of the pulmonary valve?

The pulmonary valve prevents backflow of blood from the pulmonary artery into the right ventricle.

4. Does the pulmonary artery carry deoxygenated or oxygenated blood?

The pulmonary artery carries deoxygenated blood.

5. The walls of the heart are made of what tissue?

The walls of the heart are made of cardiac muscle.

6. Does the aorta carry deoxygenated or oxygenated blood?

The aorta carries oxygenated blood.