13 Questions
What is the main function of the heart in the circulatory system?
To continuously circulate blood by rhythmic pumping
Which component of the circulatory system acts as an interchanges system for diffusion of gases, substances, and fluids between tissue cells and blood?
Capillaries
What is the function of venules and veins in the circulatory system?
To carry the blood from the tissues to the heart
What are the basic components of the circulatory system?
Heart, blood vessels, blood
What is the function of arteries and arterioles in the circulatory system?
To distribute blood from the heart to the tissues of the body
What is the main function of blood in the circulatory system?
To transport materials such as O2, CO2, nutrients, wastes
What is the main function of the fibrous pericardium?
Preventing overfilling of the heart with blood
Which layer of the heart wall is responsible for contractions of the heart chambers?
Myocardium
What is the function of the atrioventricular rings in the heart?
Providing attachment to most myocardial fibers & AV valves
What separates the left and right ventricles in the heart?
Interventricular septum
Where is the visceral pericardium located?
Surrounding the heart surface
What is the location of the fibrous pericardium in relation to the serous pericardium?
Outer layer
What is the main function of papillary muscles in the heart?
Projecting from the walls of ventricles into their cavities
Test your knowledge of the cardiovascular system with this quiz focusing on the basic components and functions of the circulatory system, including the role of the heart as a pumping organ. This quiz is based on the lecture by Prof. Dr. Elsayed Emara at Tobruk University's Faculty of Medicine in 2022.
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