DIRECTIONS: Read the passage(s) given below and answer the questions t – McqOptions

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1.	DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 4 Lungs are present in chest cavity. This cavity is surrounded by ribs on the sides. A large muscular sheet called diaphragm form the floor of the chest cavity. During inhalation the ribs move ____ and diaphragm moves ______.
A.	down, up
B.	up, down
C.	up, up
D.	down, down
Answer» C. up, up

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