प्लांट्स एंड एनिमल्स हेल्प टू मेंटेन द बैलेंस ऑफ ऑक्सीजन एंड कार्बन डाइऑक्साइड ऑन द अर्थ
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yes it's true
The outer ear is the external part of the ear. The function of the outer ear is to collect sound waves and to direct them into the ear. Important parts of the outer ear are the pinna, the ear canal and the ear drum.
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