The mucosa secretes mucus. Found in the naval cavity, it contains bipolar neurons, also known as olfactory cells, which are very important for being able to have a sense of smell. The dendrites of these olfactory cells reach out of the surface of the mucosa. The axons of these cells are actually bundled together. There are about 20 of these bundled axons, and collectively they are known as the olfactory nerve or the first cranial nerve.
Anatomically, it passes through the cribriform plate found in the ethmoid bone, having synapse with the olfactory bulb, an essential neurological connection that allows the sensation of smell to work. The first cranial nerve can actually be tested by closing one nostril and holding up a smelly object to the other opened nostril to see if the sense of smell is still working. The nasal mucosa is also continuous the sinuses, which not only help warm and moisten the inhaled air, but also provide resonance to the voice and give the face more shape.
Answer:
About 10% to 15% of adult colds are caused by viruses also responsible for other, more severe respiratory illnesses.
B
Explanation:
Answer:
The bagel accounts for too many servings of the grains group
Explanation:
Is it 1? i’m sorry if i’m wrong.
Answer: Internal influences may mean health hormones, as hormones are a key structure in how we function. An external influence could be sleep, as humans need sleep as a way to recharge, or diets as they have an effect on both hormones and physical durability
