Cardiovascular System
(Latest 2025-2026 Edition) 100% Verified Q&A + Answer
120+
Key Solutions
VERIFIED ANSWERS
Question 1
What is the function of the cardiovascular system?
Correct Answer
Transportation
Question 2
About how much does the heart weigh and what is it's size?
Correct Answer
Less than a pound and the size of a fist
Question 3
Mediastinum
Correct Answer
Space between the lungs where the heart lies
Question 4
Apex
Correct Answer
The pointed end of the heart that rests on the diaphragm (it is directed toward the left hip)
Question 5
Base
Correct Answer
Top part of the heart that is broad
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,Question 6
Pericardium
Correct Answer
Double-walled sac that the heart sits in and contains serous fluid between the layers to prevent friction
Question 7
Pericarditis
Correct Answer
Inflammation of the pericardium that results in the decrease in the serous fluid
Question 8
What are the 3 layers of the heart wall?
Correct Answer
1. Epicardium
2. Myocardium
3. Endocardium
Question 9
Endocardium
Correct Answer
A thin sheet of endothelium that lines the heart chambers, it is continuous with the linings of the blood vessels (innermost
layer of the heart wall)
Question 10
How many hollow chambers does the heart has?
Correct Answer
4
Question 11
Atria
Correct Answer
Receiving chambers, blood comes into the heart
Question 12
Where are the atria located?
Correct Answer
Superior
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, Question 13
Ventricles
Correct Answer
Bottom chambers that send out blood
Question 14
Interatrial or intraventricular septum
Correct Answer
Divides the heart longitudinally
Question 15
Which side of the heart receives oxygen-poor blood from the veins?
Correct Answer
The Right Side
Question 16
Superior and Inferior Venae Cavae
Correct Answer
The veins that bring in blood from the upper and lower parts of the body to the heart
Question 17
Pulmonary Arteries
Correct Answer
Carry blood to the lungs where oxygen is picked up and carbon dioxide is unloaded. (Takes blood to the lungs)
Question 18
Pulmonary Vein
Correct Answer
Vein that brings blood back from the lungs to the heart
Question 19
Aorta
Correct Answer
the largest artery in the body that sends out oxygenated blood to the body
Question 20
How many valves are contained within the heart?
Correct Answer
4
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(Latest 2025-2026 Edition) 100% Verified Q&A + Answer
120+
Key Solutions
VERIFIED ANSWERS
Question 1
What is the function of the cardiovascular system?
Correct Answer
Transportation
Question 2
About how much does the heart weigh and what is it's size?
Correct Answer
Less than a pound and the size of a fist
Question 3
Mediastinum
Correct Answer
Space between the lungs where the heart lies
Question 4
Apex
Correct Answer
The pointed end of the heart that rests on the diaphragm (it is directed toward the left hip)
Question 5
Base
Correct Answer
Top part of the heart that is broad
Trusted by thousands of students and professionals worldwide Page 1 of 17
,Question 6
Pericardium
Correct Answer
Double-walled sac that the heart sits in and contains serous fluid between the layers to prevent friction
Question 7
Pericarditis
Correct Answer
Inflammation of the pericardium that results in the decrease in the serous fluid
Question 8
What are the 3 layers of the heart wall?
Correct Answer
1. Epicardium
2. Myocardium
3. Endocardium
Question 9
Endocardium
Correct Answer
A thin sheet of endothelium that lines the heart chambers, it is continuous with the linings of the blood vessels (innermost
layer of the heart wall)
Question 10
How many hollow chambers does the heart has?
Correct Answer
4
Question 11
Atria
Correct Answer
Receiving chambers, blood comes into the heart
Question 12
Where are the atria located?
Correct Answer
Superior
Trusted by thousands of students and professionals worldwide Page 2 of 17
, Question 13
Ventricles
Correct Answer
Bottom chambers that send out blood
Question 14
Interatrial or intraventricular septum
Correct Answer
Divides the heart longitudinally
Question 15
Which side of the heart receives oxygen-poor blood from the veins?
Correct Answer
The Right Side
Question 16
Superior and Inferior Venae Cavae
Correct Answer
The veins that bring in blood from the upper and lower parts of the body to the heart
Question 17
Pulmonary Arteries
Correct Answer
Carry blood to the lungs where oxygen is picked up and carbon dioxide is unloaded. (Takes blood to the lungs)
Question 18
Pulmonary Vein
Correct Answer
Vein that brings blood back from the lungs to the heart
Question 19
Aorta
Correct Answer
the largest artery in the body that sends out oxygenated blood to the body
Question 20
How many valves are contained within the heart?
Correct Answer
4
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