Understanding Blood Vessels and Circulation
Authored by Gemma Joyce
Physical Ed
11th Grade
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of veins in the circulatory system?
To carry oxygenated blood away from the heart
To carry deoxygenated blood back to the heart
To exchange gases and nutrients with tissues
To regulate blood pressure
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the function of arteries?
To transport waste products to the kidneys
To carry oxygenated blood away from the heart
To store blood for emergencies
To filter blood
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main role of capillaries in the circulatory system?
To transport hormones throughout the body
To connect veins and arteries
To facilitate the exchange of oxygen, carbon dioxide, and nutrients with tissues
To maintain blood pressure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is blood flow regulated in the body?
By the contraction and relaxation of the heart
By the dilation and constriction of blood vessels
By the amount of blood produced by the liver
By the oxygen content in the blood
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of haemoglobin in oxygen transport?
To dissolve oxygen in the plasma
To bind oxygen molecules and transport them to tissues
To convert oxygen into carbon dioxide
To store oxygen in the liver
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During exercise, what happens to the oxygen demand of muscles?
It decreases
It remains the same
It increases
It becomes negligible
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of regular exercise on the resting heart rate?
It increases the resting heart rate
It decreases the resting heart rate
It has no effect on the resting heart rate
It causes irregular heartbeats
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