Multiple Choice
Identify the choice that best
completes the statement or answers the question.
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1.
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When Lulu plays basketball, her circulatory system works hard to bring blood to
all parts of her body. Capillaries are part of the circulatory system. What function do capillaries
perform?
a. | They break down food before it enters the blood. | b. | They bring oxygen
and nutrients to the body’s cells. | c. | They remove waste material from the
blood. | d. | They bring oxygen into the body. |
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2.
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When Ana plays soccer, her circulatory system works hard to bring blood to all
parts of her body. Platelets are part of the circulatory system. What function do platelets
perform?
a. | They bring oxygen into the body. | b. | They break down food before it enters the
blood. | c. | They help blood clot. | d. | They remove waste material from the
blood. |
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3.
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When Henry plays football, his circulatory system works hard to bring blood to
all parts of his body. Arteries are part of the circulatory system. What function do arteries
perform?
a. | They carry blood away from the heart. | b. | They bring oxygen into the
body. | c. | They remove waste material from the blood. | d. | They break down food
before it enters the blood. |
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4.
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When Mrs. Sheng swims laps, her circulatory system works hard to bring blood to
all parts of her body. Red blood cells are part of the circulatory system. What function do red blood
cells perform?
a. | They break down food before it enters the blood. | b. | They remove waste
material from the blood. | c. | They carry oxygen to all cells of the
body. | d. | They bring oxygen into the body. |
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5.
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When Kenji plays lacrosse, his circulatory system works hard to bring blood to
all parts of his body. White blood cells are part of the circulatory system. What function do white
blood cells perform?
a. | They remove waste material from the blood. | b. | They break down food
before it enters the blood. | c. | They bring oxygen into the
body. | d. | They fight disease-causing organisms. |
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6.
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When Mr. Bodine runs a marathon, his circulatory system works hard to bring
blood to all parts of his body. Veins are part of the circulatory system. What function do veins
perform?
a. | They bring oxygen into the body. | b. | They break down food before it enters the
blood. | c. | They remove waste material from the blood. | d. | They return blood to
the heart. |
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7.
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Elena is running a race. The harder she runs the more energy her body needs. To
burn more energy, her body needs more oxygen, so she breathes harder and her heart beats faster. As
her body burns energy, it produces more waste, causing her to sweat. Which statement best
describes these changes?
a. | These changes are coordinated by individual cells working
together. | b. | These changes are coordinated by groups of cells working
together. | c. | These changes are the function of a single organ system. | d. | These changes are
the result of multiple organ systems working together. |
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