How do we focus on objects located at a distance less than 9 m from the eye? Choose the correct option
A) A change in the shape of the cornea
B) A change in the shape of the lens
C) A change in the length of the eye ball
D) Change in the shape of the cornea, lens and in the length of the eye ball
Ans: B
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An abnormal condition of the lungs in which the air sacs become enlarged and their walls lose their elasticity is called ________.
Fill in the blank(s) with the appropriate word(s).
People aged 15-24 have seven times the reported rate of gonorrhea as people aged 25 and older
Indicate whether the statement is true or false.
To stimulate strength development, a resistance of approximately ____ percent of maximum capacity is recommended
a. 100 b. 90 c. 80 d. 70 e. 60
Appetite is the body's physical need for food
Indicate whether the statement is true or false