Answer:
b outer ear
Explanation:
The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified. The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.
No assurance about HIPAA research requirements and questions are most likely to be consulted with the people or organization like the privacy officer or the privacy board. Either of the two can be consulted but it is still depending on the current situation that the individual is in.
2 4 and 5 i would say maybe A
