The PCD is an abbreviation used for the primary cilia diskinesia disease. This condition result in the reduced motility of the cilia.
In respiratory tract, the cilia help the mucus to flow above the respiratory tract. In case, the cilia is damaged, or it is not able to move, then the mucus cannot move out of the respiratory tract and cause many respiratory abnormalities, such as congestion, infection, bronchitis, cough, short of breath, ear infections etc.
Answer:
The immune system
the system is made up of special organs, cells and chemicals that fight infection
Explanation:
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Answer:
They are called mechanoreceptors.
Explanation:
Mechanoreceptors are sensory receptors belonging to the peripheral nervous system. The functions of sensory receptors is to enable detection of changes (by way of stimuli) in the external environment and also monitor the internal environment. The stimuli are of various sources and different types.
Different types of cells sense different types of stimuli. Receptor cells that sense chemical stimuli are called chemoreceptors, osmoreceptors detect changes in solute concentration of body fluids, thermoreceptors sense temperature stimuli, nociceptors, and mechanoreceptors that sense pressure and vibration, sensation of sound and body position.
The correct answer is <span>Homo habilis
It is a species that shares the Homo genus and lived sometime during the </span><span>gelasian pleistocene era </span>
