What is the name of the shell -shaped structure of the outer ear? tympanic cavity cochlea pinna vestibule Question 18 The three fluid 1-filled semicircular canals of the inner ear are responsible for what? draining fluids in to the pharynx hearing balance transmitting vibrations 1 pts

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What is the name of the shell -shaped structure of the outer ear? tympanic cavity cochlea pinna vestibule Question 18 The three fluid 1-filled semicircular canals of the inner ear are responsible for what? draining fluids in to the pharynx hearing balance transmitting vibrations 1 pts

Answer 1

### Question 1: What is the name of the shell-shaped structure of the outer ear? **Answer:** **Pinna** - The **pinna** (also called the auricle) is the external, shell-shaped part of the ear that collects and directs sound waves into the ear canal. ---### Question 2: The three fluid-filled semicircular canals of the inner ear are responsible for what? **Answer:** **Balance** - The semicircular canals are part of the vestibular system in the inner ear. They detect rotational movements of the head and help maintain balance and spatial orientation.

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What is the name of the shell -shaped structure of the outer ear? tympanic cavity cochlea pinna vestibule Question 18 The three fluid 1-filled semicircular canals of the inner ear are responsible for what? draining fluids in to the pharynx hearing balance transmitting vibrations 1 pts

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