WorksheetsCirculatory System - Multiple Choice Test
Total questions: 15
Worksheet time: 9mins
The human heart is: A. made of muscle. B. a pump. C. has four chambers. D. beats faster when you exercise. E. All of the above.
made of muscle
a pump
has four chambers
beats faster when you exercise
All of the above
The lub dub sound of the heart beating is the sound of:
the muscles of the heart contracting.
the heart valves opening and closing.
the blood moving in and out of the heart.
the blood moving in and out of the lungs.
The heart valves do all of the following, EXCEPT:
A. separate the atria and the ventricles.
B. keep the blood flowing forward.
C. regulates the heart's contractions.
D. include the mitral valve and bicuspid valve.
The blood comes back to the heart from the body through two big veins called the:
pulmonary veins
right atrium
aorta
vena cavas
The first chamber of the heart the blood from the body enters is the:
left atrium
right atrium
left ventricle
right ventricle
The valve between the right atrium and the right ventricle is called the:
bicuspid valve
tricuspid valve
mitral valve
None of the above.
The blood is pumped to the lungs from the heart through the:
aorta
pulmonary veins
pulmonary arteries
vena cavas
The most muscular, powerful heart chamber is the:
A. left atrium
B. right atrium
C. left ventricle
D. right ventricle
The blood leaves the heart to the body through the:
aorta
pulmonary veins
pulmonary arteries
vena cavas
The only veins in the body that carry oxygenated blood are the:
aorta
pulmonary veins
pulmonary arteries
vena cavas
What is the main function of the heart in the circulatory system?
To produce blood
To clean the blood
To pump blood throughout the body
To store blood
What is the function of the valves in the heart?
To produce blood cells
To pump blood
To prevent the backflow of blood
To connect arteries and veins
How does exercise affect the circulatory system?
Decreases heart rate
Increases risk of heart diseases
Improves circulation and strengthens the heart
Has no effect on the circulatory system
How many chambers does the human heart have?
2
4
6
8
What part of the heart delivers richly oxygenated blood to the body?
Tricuspid Valve
Superior Vena Cava
Aorta
Pulmonary artery
