What causes short-sightedness?
A. Weaker muscles
B. Shifting of the iris
C. Elongation of eyeballs
D. Weakening of the retina
Correct Answer: C (Elongation of eyeballs)
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A. Weaker muscles
B. Shifting of the iris
C. Elongation of eyeballs
D. Weakening of the retina
A. Liver
B. Brain
C. Skin
D. Bone
A. Muscle
B. Neuron
C. Blood cell
D. Tissue
A. Heart attack
B. Kidney failure
C. Diabetes
D. Cancer
A. A type of muscle tissue in the heart
B. A type of bone in the human body
C. The smallest unit of the respiratory system
D. The functional unit of the kidney
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A. Pancreas
B. Liver
C. Kidney
D. Heart
A. Deoxyribonucleic Acid
B. Deoxyribose Nucleotide Acid
C. Deoxyribonucleotide Acid
D. Deoxyribosome Nucleic Acid