Nose and tongue

4 important questions on Nose and tongue

What does the lining of the nose and nasal cavity form?

mucous membrane

What are smell receptors?

cilia is sensitive to odour molecules -> when stimulated -> impulses travel along the olfactory nerve to the brain

Where is the top of your tongue covered with?

a layer of ridges and grooves called papillae
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What is a taste bud?

each taste bud is made up of taste cells. They can detect flavour that are sweet,, sour, bitter and ssalty. You have different taste buds to indentify these flavours

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