In cockroach, the cuticular lining is spirally thickened forming taenidia which prevents the tracheal tubes from collapsing. Which of the following prevents collapsing trachea Mcq? Option D, as the Cartilaginous rings provide the structural support which the trachea requires to stay firm and strong and not to collapse during respiration.Read More →
Spiracles. … Spiracles are often lined with fine hairs / bristles that filter air as it enters to prevent the gas exchange system getting clogged which would reduce the surface area available for gas exchange. This is an adaptation to the often dry and dusty environments in which insects live.Read More →
Due to their proximity, a small piece of cartilage in the larynx automatically covers the opening of the trachea to prevent food or drink from getting into it when the person is eating. Does the epiglottis cover the glottis? During the process of swallowing, the epiglottis folds over to coverRead More →
The hyaline cartilage rings of the trachea are C-shaped rather than O-shaped because of the trachea’s close proximity to the esophagus, which runs… What is trachea shape? The Trachea. The trachea extends inferiorly from the thoracic inlet for a distance of 8 to 10 cm before bifurcating into the rightRead More →
These rings stabilise the trachea and keep it rigid, while allowing the trachea to expand in length when the person breathes. Cartilage is strong but flexible tissue. … These C-shaped cartilages are stacked one on top of the other and are open at the area where the trachea is nearestRead More →
Normally, the epiglottis keeps food and drink from going down the windpipe. This sturdy flap of cartilage is designed to snap shut automatically when we swallow, closing off the airway and shunting the sustenance down the esophagus to meet its digestive fate. What do you do if you have foodRead More →