Stomach
Yes, olfaction, which is the sense of smell, results from the stimulation of chemoreceptors located in the olfactory epithelium in the nasal cavity. These chemoreceptors detect molecules in the air, triggering neural signals that are sent to the brain for interpretation as different scents.
No, they move mucus out of the nasal cavities.
being enveloped in additional mucus and swallowed into the stomach, where they are exposed to acidic digestive juices that can destroy them.
Actually, the body region where a ciliary escalator helps to sweep microbes trapped in mucus away is the respiratory tract, specifically in the lungs. The cilia lining the respiratory tract beat in a coordinated manner to move mucus and trapped microbes up and out of the airways.
The nasal cavity is filled with hairs, which help filter the atmospheric air as you inhale. After air passes through the nostrils it is pulled through the nasal concha, which are folds of tissues that secrete mucus (snot). The mucus also traps bacteria.
How can I put it ... BOGIES! The mucus in the nasal cavity is rich in antibodies and other immune factors, and the cells lining the cavity also have tiny, hair-like protrusions known as cilia, which gradually waft the mucous layer away from the interior. The mucus dries, and falls away from the nose in particles of all sizes from the microscopic to the rather large lumps of dried snot that can be so pleasant to watch small children retrieve and use as dietary supplements.
Mucus produced by specialized cells in the respiratory system can trap microorganisms entering the respiratory passages. Cilia, small hair-like structures lining the respiratory tract, then help to move the trapped microorganisms out of the airways through a process called mucociliary clearance. Additionally, immune cells within the respiratory system can also work to engulf and destroy any trapped microorganisms.
Mucus is a substance produced by the lining of the nasal cavity. This mucus helps moisten and filter incoming air.
Infectious agents, small aerosol and dust particles are trapped in the mucus elevator to prevent their invasion in lungs.
Trachea
a mucus membrane
Mucus is a substance produced by the lining of the nasal cavity. This mucus helps moisten and filter incoming air.
Mucus is a substance produced by the lining of the nasal cavity. This mucus helps moisten and filter incoming air.
Mucus traps various particles and microorganisms, including dust, pollen, bacteria, and viruses. It serves as a protective barrier in the respiratory and digestive systems, helping to prevent these harmful agents from entering the body or causing infections. Additionally, mucus aids in the lubrication of tissues and facilitates the movement of food in the digestive tract.
Mucus
a mucus membrane
The inhaled air 'swirls' around the conchaemoistens via the mucus secreted by the goblet cells and drainage from the nasolacrimal ducts; cleans by the mucus trapping dust particles and the cilia moving the mucus and trapped dust particles toward the pharynx