Infectious diseases are caused by microorganisms such as viruses, bacteria, fungi or parasites and can spread between individuals. 1  Infectious diseases are caused by microorganisms such as viruses, bacteria, fungi or parasites. 2  Microorganisms that cause disease are collectively called pathogens.
The Abdominopelvic Cavity The abdominopelvic cavity extends from the diaphragm to the pelvis. It is subdivided into a superior abdominal cavity and an inferior pelvic cavity (Figure 1-11a,c). The abdominopelvic cavity contains the peritoneal cavity, a chamber lined by a serous membrane known as the peritoneum.
1 Nasal cavity â is part of the respiratory system. 2  Located within the nose (and posterior). 3  Orbital cavities â house the eyes. 4  Oral cavity â the mouth, contains the teeth and gums. 5  Synovial cavities â surround freely movable joints and secrete a lubricating fluid like serous membranes.he superior division is called the thoracic cavity. The thoracic cavity is surrounded by the ribs and muscles in the chest. Itâs further su divided into lateral pleural cavities (each pleural cavity envelopes a lung) and the mediastinum.