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Medicine Clinics › ViewAll are usual features of hyperthyroidism except
A. Palpitations and tremor
B. Loss of appetite
C. Lid lag
D. Tachycardia
Skin Structure, Growth, & Nutrition › View
The fibrous protein that gives skin its flexibility and helps skin regain its shape after being expanded is
A. collagen
B. elastin
C. keratin
D. protein