WebFigure 11.10: Structures of the Respiratory Zone. The alveolar wall consists of three major cell types: type I alveolar cells, type II alveolar cells, and alveolar macrophages. A type I alveolar cell is a squamous epithelial cell of the alveoli, which constitute up to 97 percent of the alveolar surface area. WebOverview of the Respiratory System. The trachea (windpipe) is the largest airway. The trachea branches into two smaller airways: the left and right mainstem [or main] bronchi. Each lung is divided into sections (lobes): three in the right lung and two in the left lung. The left lung is a little smaller than the right lung because it shares ...
Respiratory system: Anatomy and functions Kenhub
WebThe respiratory system may be divided into the upper respiratory tract and the lower respiratory tract. The upper respiratory tractconsists of the parts outside the chest cavity: the air passages of the nose, nasal cav-ities, pharynx, larynx, and upper trachea. Thelower respiratory tract consists of the parts found within the chest cavity: the ... WebThe different organs of the respiratory system are nose, pharynx, epiglottis, larynx, trachea, bronchi and lungs. These organs carry out the process of respiration. The process of respiration is classified as aerobic and anaerobic. Aerobic respiration takes place in the presence of oxygen while anaerobic respiration doesn’t require oxygen. tanglewood summer 2022 schedule
The Respiratory System: [Essay Example], 1432 words
WebAn insect's respiratory system is the system with which it introduces respiratory gases to its interior and performs gas exchange.. Air enters the respiratory systems of insects through a series of external openings … WebJul 25, 2024 · The pharynx is a conductive structure located in the midline of the neck. It is the main structure, in addition to the oral cavity, shared by two organ systems, i.e., the gastrointestinal tract (GIT) and the respiratory … WebThe lungs are a pair of cone-shaped organs made up of spongy, pinkish-gray tissue. They take up most of the space in the chest (thorax). The lungs are surrounded by a membrane (pleura). The lungs are separated from each other by the mediastinum, an area that contains the: Heart and its large vessels . Trachea. Esophagus. Thymus gland. Lymph ... tanglewood sundance historic review