Cardiovascular System

Question 1

Function of the Heart

Answer 1

• Receives deoxygenated blood from body and pumps to lungs for oxygenation.
• Receives oxygenated blood from the lungs and pumps it out to the body via the Aorta.

Question 2

Location of the Heart

Answer 2

• Slightly to the left of the Thoracic Cavity

- Anterior to the vertebral column, posterior to the sternum.

Question 3

What is Sino-Atrial Node

Answer 3

Creates the ‘impulse’, called the ‘pacemaker’ and contracts atrium wall (muscle)

Question 4

Describe Systemic Circulation

Answer 4

Carries oxygenated blood away from the heart to the body cells and return deoxygenated blood to the heart.

Question 5

Describe Pulmonary Circulation

Answer 5

Carries deoxygenated blood from the heart to lungs and returns oxygenated blood

Question 6

Describe Coronary Circulation

Answer 6

• Supplies oxygenated blood to the heart muscle (myocardium)
• Provides drainage from the tissues of the heart.

Question 7

Describe Portal Circulation

Answer 7

• To deliver deoxygenated blood to the liver to be detoxified before it returns to the heart.
• Carries blood from the stomach, intestines, pancreas and spleen to the liver.