Podcast
Questions and Answers
What is the name of the membrane that lines the four chambers of the heart?
What is the name of the membrane that lines the four chambers of the heart?
- Epicardium
- Pericardium
- Myocardium
- Endocardium (correct)
Which type of blood vessel has walls with a thick layer of smooth muscle that contracts with the rhythm of the heart?
Which type of blood vessel has walls with a thick layer of smooth muscle that contracts with the rhythm of the heart?
- Capillaries
- Venules
- Veins
- Arteries (correct)
What is the main function of capillary vessels in the circulatory system?
What is the main function of capillary vessels in the circulatory system?
- Transport blood away from the heart
- Ensure blood pressure stays constant
- Contract with the rhythm of the heart
- Connect the arterial side to the venule side (correct)
Which type of blood vessel transports oxygen-poor blood towards the lungs?
Which type of blood vessel transports oxygen-poor blood towards the lungs?
During which phase of the cardiac cycle does the heart contract and pump blood into the arteries?
During which phase of the cardiac cycle does the heart contract and pump blood into the arteries?
What color is the blood usually found in veins, closer to the surface of the body?
What color is the blood usually found in veins, closer to the surface of the body?
What is the main function of the circulatory system?
What is the main function of the circulatory system?
Which blood vessels are part of the circulatory system?
Which blood vessels are part of the circulatory system?
What is the function of the pericardium around the heart?
What is the function of the pericardium around the heart?
How many chambers does each half of the heart have?
How many chambers does each half of the heart have?
What is the role of the heart in the circulatory system?
What is the role of the heart in the circulatory system?
Where is the heart situated in the human body?
Where is the heart situated in the human body?