Examlex
In the following example, what is the independent variable? Hypothesis: Mice on a restricted low-caloric diet will live longer than mice that can eat as much as they want.
Experiment: A large population of genetically identical mice is divided into two groups. Half receive as much food as they care to eat each day. The other half receives 20% less food than a typical mouse eats each day. The day of death (lifespan) is recorded for all mice. All mice live in the same room, in the same type of cage, with access to water.
Inner Ear
The innermost part of the ear, containing organs responsible for hearing and balance.
Otoscopic Examination
A medical procedure using an otoscope to visually inspect the ear canal and tympanic membrane, commonly for diagnosing infections or conditions.
Helix
A type of smooth curve, resembling a spring, which can be found in various natural and man-made structures.
Palpable Thyroid
A condition in which the thyroid gland is enlarged and can be physically felt upon examination.
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