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The bronchiolesor bronchioliare the first airway branches that no longer contain cartilage. They are branches of the bronchi. The bronchioles terminate by entering the circular sacs called alveoli.
The structure that closes off the rest of the pharynx when we are eating is called the epiglottis. It is a flap-like structure located just above the larynx. When we swallow, the epiglottis covers the opening of the larynx, directing food and liquids towards the esophagus and preventing them from entering the airway.
the epiglottis
There is small flap called as epiglottis. It closes the airway, as you swallow something. At other times it keeps the air way open. So that you should be able to breathe continuously.
The cartilage covering the opening of the larynx is called the epiglottis. It keeps food or liquids from entering the larynx when we swallow.
You have a sort of flap in the back of your throat called the epiglottis. When you swallow, the epiglottis flaps down over your trachea (windpipe) which prevents food from entering your respiratory system. So the epiglottis is what keeps food from entering the respiratory system.
There is small flap called as epiglottis. It closes the airway, as you swallow something. At other times it keeps the air way open. So that you should be able to breathe continuously.
The regulatory proteins that serve to prevent a cell from entering the S phase are called tumor suppressors. Tumor suppressors protect the cell that has DNA damage and stop it from moving to the next phase.
The ciliated cells has tiny hairs on it, called cilia, which sweep mucus, which is produced by goblet cells, up the airway. The mucus traps dirt particles and stop them from entering the lungs and causing infection. The ciliated cell therefore sweeps mucus up the airway where it is either swallowed or coughed out.
Identify the principles of airway
Tracheotomy