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22 questions
What is the main organ of the circulatory system?
small intestine
bone
lungs
heart
The job of the heart is to . . .
pump blood around the body.
send food to the small intestines.
break down food.
give energy to the body.
The heart is about the size and shape of your . . .
head
fist
hand
foot
Arteries carry oxygen rich blood away from the heart.
True
False
Veins carry oxygen poor blood back to the heart.
False
True
Identify
Left atrium
Right atrium
Left ventricle
Right ventricle
Identify
Pulmonary veins
Pulmonary artery
Aorta
Vena cava
Identify
Left atrium
Right atrium
Left ventricle
Right ventricle
Carry blood away from heart; mostly oxygen-rich
Arteries
Veins
Capillaries
Which is NOT a function of the circulatory system?
deliver O2 and nutrients to cells
remove CO2 and wastes from cells
break down carbohydrates into glucose
transport other materials through body
The cells in the blood that help fight germs and illnesses are the...
red blood cells
platelets
white blood cells
axons
Which best describes the relationship between the muscular system and the circulatory system?
The circulatory system captures carbon dioxide from the air for muscle energy.
The circulatory system produces red blood cells to bring oxygen to the muscles
The circulatory system provides a framework for muscle movement
The circulatory system delivers oxygen for muscle energy
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