The lips and the opening of the mouth are the externally visible parts of the oral canal.
The radiation in part a would not be visible to the human eye because it is ultraviolet radiation. However, the radiation in part b would be visible to the human eye if it falls within the visible spectrum, such as visible light.
Actually, the part of the electromagnetic spectrum that we can see is called visible light, not ultraviolet light. Ultraviolet light is outside the visible spectrum and is not visible to the human eye.
No, the radiations in a microwave oven are not visible to the human eye. They are in the non-visible spectrum of electromagnetic radiation. The light that is visible to the human eye is in the visible spectrum, which includes colors ranging from violet to red.
The part of the tooth that is visible above the gum line is called the crown. This is the part of the tooth that is typically covered with enamel and is responsible for chewing food.
Humans are able to see visible light, which is a small part of the electromagnetic spectrum. Visible light ranges in wavelength from approximately 400 to 700 nanometers and is perceived by our eyes as different colors.
The nose is the only external visible part of the respiratory tract.
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The ear canal is located within the outer ear structure, extending from the visible part of the ear (pinna) to the eardrum (tympanic membrane).
The part of the ear that collects sound waves and directs them into the ear canal is called the pinna, or auricle. It is the visible, outer portion of the ear that serves to capture sound waves from the environment and funnel them toward the ear canal, where they are further processed on their way to the eardrum.
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The hair shaft.
Yes, the pinna is the visible external part of the ear that helps collect sound waves and funnel them into the ear canal. It plays a role in directing sound towards the ear drum for processing.
That is the Panama Canal
The external ear refers to the entire structure outside the ear canal, including the auricle (pinna) and ear canal, while the outer ear specifically refers to the visible part of the external ear, which is the auricle.
Panama Canal
The external ear is composed of two main structures: the pinna (auricle) and the external auditory canal. The pinna is the visible part of the ear that helps collect and direct sound waves towards the ear canal. The ear canal is a tube-like structure that extends from the pinna to the eardrum, and it is lined with skin and fine hairs to help trap debris and protect the ear.
The Caledonian Canal is a canal in Scotland that connects the Western part of the country with the Eastern part. It is used a means of transit between the 2 areas.