Finally, do not apply asphalt over a newly sealed surface. The surface should be grey, much like the street in front of your house. Although the binder coat may last by itself, a finer aggregate top coat will provide a surface that is more resistant to water infiltration and damage.
24. Gases in the alveoli must cross two layers of epithelium and a layer of fused basement membrane to reach the blood. True. False. 25. There are two folds of muscle and connective tissue in the larynx called the vocal cords or vocal folds; the inferior pair are the true vocal cords involved in speech.4. Gases in the alveoli must cross two layers of epithelium and a layer of fused basement membrane to reach the blood. True. False. 25. There are two folds of muscle and connective tissue in the larynx called the vocal cords or vocal folds; the inferior pair are the true vocal cords involved in speech.
Nodules are thickenings or callouses that form on the vocal folds. They are a result of vocal trauma without periods of rest. Vocal folds (also called vocal cords or, by some, vocal chords) are not just strings in your voice box. Theyâre actually folds of tissue with a delicate lining on the outside. This lining is very fine and soft, like the lining of the inside of your cheek (labeled âliningâ below).