10 Questions
What are the two main components of the cardiovascular system?
The heart, blood, and blood vessels.
Explain the main function of the circulatory system.
Transport of inhaled oxygen from the lungs to body’s tissues, and removal of carbon dioxide in the opposite direction to be exhaled.
What is the function of the pulmonary circuit in the cardiovascular system?
Blood picks up oxygen and releases carbon dioxide in the lungs.
Describe the path of oxygen-poor blood in the circulatory system.
From the body to the heart's right side, then to the lungs.
Why does the left side of the heart have thicker muscle than the right side?
Because it has to pump blood to the entire body in the systemic circuit.
What are the 4 valves that ensure one-way blood flow through the heart?
Tricuspid valve, Pulmonary valve, Mitral valve, Aortic valve
What is the name of the outer layer of the heart wall that lines the pericardial cavity?
Epicardium
Which group of cells in the heart initiates the electrical impulses for heart muscle contraction?
Pacemaker cells
What is the primary function of platelets in the blood?
Blood clotting
What is the main difference between arteries and veins in terms of blood flow direction?
Arteries carry blood away from the heart, while veins bring blood back to the heart
Learn about the cardiovascular system, its components, and how blood is circulated through the heart and blood vessels. Understand the interchangeability of terms such as cardiovascular system and circulatory system.
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