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.
Larynx: A tube-shaped organ in the neck that contains the vocal cords. The larynx is about 5 cm (2 in.) long. It is part of the respiratory system and is located between the pharynx and the trachea. Humans use the larynx to breathe, talk, and swallow. Its outer wall of cartilage forms the area of the front of the neck referred to as the Adam's apple.