PHARYNX is made up of the fibromuscular tube that consists of a ring of specialized lymphatic tissue. The respiratory tract in humans is made up of the following parts: External nostrils – For the intake of air. The entire respiratory tract (passage) consists of the nose, pharynx, larynx, trachea, bronchi, and bronchioles. The respiratory system, which includes air passages, pulmonary vessels, the lungs, and breathing muscles, aids the body in the exchange of gases between the air … Human respiratory system - Human respiratory system - The mechanics of breathing: Air moves in and out of the lungs in response to differences in pressure. The oropharynx consists of stratified squamous epithelium and the laryngopharynx consists of respiratory pseudostratified. The true respiration, resulting in the release of energy, occurs in the tissues by the exchange of oxygen of blood for the carbon dioxide of the tissues. Epithelial tissue: This tissue covers the surface of the body and lines the internal organs. Similarly, contraction of the external intercostal muscles moves the ribs upwards and outwards. Pleura, plural pleurae, or pleuras, membrane lining the thoracic cavity (parietal pleura) and covering the lungs (visceral pleura). Its main function is protection. Here is how lungs work as the center of your breathing, the path a full breath takes in your body, and a 3-D model of lung anatomy. Respiratory System Diagram. Oxygen and carbon dioxide must be transported to and from the lungs and tissue cells of the body via the bloodstream. ; Nasal chamber – which is lined with hair and mucus to filter the air and remove dust and dirt. The exchange of oxygen of the air for the carbon dioxide of the blood takes place in the respiratory organs and is known as external respiration. This is known as internal or tissue respiration. The parietal pleura folds back on itself at the root of the lung to become the visceral pleura. The regions of the pharynx are nasopharynx, oropharynx, and laryngopharynx. In health the two pleurae are in contact. Respiratory gas transport. Gas exchange between the pulmonary blood and alveoli must take place. When it contracts, it becomes flattened and therefore increases the volume of the thoracic cavity. ADVERTISEMENTS: Human Respiratory System and it’s Mechanism! There are two other types of animal tissue—muscular and nervous. At systemic capillaries, gas exchanges must be made between the blood and tissue cells. Air enters the nose through the nostrils. The lungs are the main part of your respiratory system. External respiration. When air passes through the nose, […] Animal tissues: The cheek cells are a type of epithelial tissue, while blood is a kind of connective tissue. Internal respiration. The diaphragm is a dome-shaped muscle that curves upwards towards the lungs. 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