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

MCQOPTIONS

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. Percentage of oxygen in inhaled air is ____ in exhaled air.
A.	less than
B.	more than
C.	same as
D.	cannot say
Answer» C. same as

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