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As we age, our ability to hear high-frequency sounds decreases, making it more difficult for us to pick up certain sound waves. This is due to the natural deterioration of the hair cells in the inner ear over time. Therefore, the statement that sound waves are picked up easier as we age is false.

As we age, the structures in the inner ear, such as the hair cells, can become damaged or deteriorate. This can result in a loss of sensitivity to higher-pitched sounds, known as presbycusis. Therefore, the statement that the inner ear loses its ability to hear higher-pitched sounds is true.

As we age, the pinna, which is the visible part of the ear, tends to lose its flexibility. This is a normal part of the aging process. The pinna is made up of cartilage, which can become less elastic over time. This can result in a decrease in the ability of the pinna to move and adjust to sounds. Therefore, it is true that the pinna loses its flexibility as we age.

As we age, the ossicles, which are the tiny bones in the middle ear, may not vibrate as effectively as they did when we were younger. This can be due to various factors such as wear and tear, calcification, or changes in the structure of the bones. The reduced vibration of the ossicles can lead to hearing loss or difficulty in hearing certain frequencies. Therefore, the statement "Ossicles don't vibrate as well as we age" is true.

As we age, the size of the pupil tends to decrease. The pupil is the black circular opening in the center of the iris that allows light to enter the eye. This change in size is a natural part of the aging process and is primarily due to a decrease in the muscle tone of the iris. A smaller pupil size can affect the amount of light that enters the eye, which may lead to difficulties with vision in low light conditions.

As we age, our taste buds gradually decrease in number and become less sensitive. This can result in a decrease in our ability to taste certain flavors. Therefore, the correct answer is "decrease in taste buds".

The optic nerve is responsible for carrying visual information from the eye to the brain. It is composed of millions of nerve fibers that transmit electrical signals generated by the photoreceptor cells in the retina. These signals are then processed by the brain, allowing us to perceive and interpret visual stimuli. Without the optic nerve, the brain would not receive any visual input, resulting in blindness. Therefore, the optic nerve plays a crucial role in carrying the light to the brain for visual perception.

As we age, the production of ear wax actually increases rather than decreases. This is because the glands that produce ear wax become more active as we get older. Therefore, the statement that ear wax is thinner as we age is incorrect.

The cornea is the transparent outermost layer of the eye that allows light to enter the eye. It acts as a protective barrier and helps to focus the incoming light onto the retina, which is responsible for transmitting visual information to the brain.

The age changes of the eye include retinal and vision changes. As a person ages, the retina, which is the light-sensitive tissue at the back of the eye, undergoes certain changes. These changes can affect the person's vision, leading to various age-related vision problems such as presbyopia, cataracts, and age-related macular degeneration. Thus, both retinal and vision changes occur as a person gets older.

The iris is the colored part of the eye that controls the size of the pupil and regulates the amount of light that enters the eye. As a person ages, the iris may undergo changes that cause it to fade. This can result in a decrease in the vibrancy and intensity of the eye color. The fading of the iris is a natural process that occurs with age.

Light passes through the lens next. Lenses are transparent objects that are capable of bending or refracting light. When light passes through a lens, it undergoes refraction, causing it to change direction. This allows the lens to focus or diverge light, depending on its shape and curvature. Therefore, it is logical to conclude that light passes through the lens after passing through any previous medium.

As we age, the lens of the eye can undergo a yellowing process. This yellowing is a natural part of the aging process and is commonly referred to as "lens yellowing". This yellowing can affect the clarity of vision and can make it harder to see colors accurately. It is a gradual change that occurs over time and is a common occurrence in older individuals.

As we age, there is a natural decrease in tear production. This can lead to symptoms such as dry eyes, irritation, and discomfort. Tears play a crucial role in maintaining the health of the eyes by providing lubrication, reducing the risk of infection, and washing away debris. The decrease in tear production can result in a higher likelihood of developing dry eye syndrome, a condition where the eyes do not produce enough tears or the tears evaporate too quickly. Therefore, the correct answer is tears.