Give reason for the following:
(1)Glottis is covered by egiglottis
(2)Alveoti are covered by blood capillaries
(3) Well of trachea is supported by cartilage ring
Answers
Explanation:
( 1 ) The epiglottis is a leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, or voice box. The main function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhale
( 2 ) Alveoli present in the lungs are covered with blood
Alveoli present in the lungs are covered with blood capillaries so that the exchange of gases can take place between the membranes of the alveoli and the surrounding capillaries. ... This allows oxygen to diffuse into the blood and carbon dioxide to diffuse out of the blood.
( 3 ) In the trachea, or windpipe, there are tracheal rings, also known as tracheal cartilages. Cartilage is strong but flexible tissue. The tracheal cartilages help support the trachea while still allowing it to move and flex during breathing
In the trachea, or windpipe, there are tracheal rings, also known as tracheal cartilages. Cartilage is strong but flexible tissue. The tracheal cartilages help support the trachea while still allowing it to move and flex during breathing.
In the trachea, or windpipe, there are tracheal rings, also known as tracheal cartilages. Cartilage is strong but flexible tissue. The tracheal cartilages help support the trachea while still allowing it to move and flex during breathing.There are generally sixteen to twenty individual cartilages in the trachea, which varies from person to person. These C-shaped cartilages are stacked one on top of the other and are open at the area where the trachea is nearest the esophagus, which leads from the throat to the stomach. Each one is about one to two millimeters thick, with a depth of around four to five millimeters.