Topics: Breathing System Quiz
What is the function of the ribs and intercostal muscles?
A. To carry air to and from the lungs
B. To warm and moisten the air
C. To trap dirt particles and bacteria
D. To cause air to move into or out of the lungs
Select your answer:

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The Human Eye › View Which image shows a person with nearsightedness?
A. A
B. B
C. C
D. D
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ARTHRitis is an inflammation of this area of the body…….
A. stomach
B. joints
C. long bones
D. skull