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.
A persons ability to transport oxygen to the body.
Foods that are high in calcium include dairy products, dark leafy greens, fish, and enriched grains.
-Medium- an agency or means of doing something.
-Technique-a skillful or efficient way of doing or achieving something.
-Proportion- a part, share, or number considered in comparative relation to a whole.