muscles of ear pinna are useful for which animals
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The outer ear includes the pinna (the part you see that is made of cartilage and covered by skin, fur, or hair) and the ear canal. The pinna is shaped to capture sound waves and funnel them through the ear canal to the eardrum. In dogs, the pinnae are mobile and can move independently of each other. So pinna is helpful for dogs...
they may also include cats , cows and many mammals
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