[Trachea, monkey; x-section, PTS]. The lumen of the trachea is lined by pseudostratified columnar epithelium. Note that all the surface cells have cilia at their free (apical) surface.(What function do these cilia serve in the trachea?) Mucus-secreting unicellular gland cells (goblet cells) are interspersed among the ciliated cells.Trachea, monkey; x-section, PTS]. The lumen of the trachea is lined by pseudostratified columnar epithelium. Note that all the surface cells have cilia at their free (apical) surface.
Complex Carbs on Restrictive Low-Carb Diets. If you're on a restrictive low-carb diet, you may be limited to just 20 grams of net carbs per day. That excludes virtually any food rich in complex carbohydrates, as a single serving of any of the previously mentioned foods contains more than your daily limit.
The GENERAL consensus of how many carbs you should be eating per day is 20g or LESS. Some people say 20-30g of carbs. In any case, itâs around there. Having said that, people can eat 50g or more and stay in ketosis. Again, it depends on the person.