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level: Body Cavities and Homeostasis

Questions and Answers List

level questions: Body Cavities and Homeostasis

Question	Answer
Superior to the diaphragm is which cavity?	Thoracic Cavity
The ____________ divides the ventral body cavity into two smaller cavities?	Diaphragm
Two _______ ___________ one for each lung?	Pleural Cavities
The central region of the thoracic cavity?	Mediastinum
Inferior mediastinum contains the ____________ ________ which contains the heart?	Pericardial Cavity
Inferior to the diaphragm?	Abdominopelvic Cavity
From the diaphragm to the top of the pelvic bones?	Abdominal Cavity
It is a potential space within the abdominal cavity it is also a cavity within a cavity and it contains most of the digestive organs?	Peritoneal Cavity
A space posterior to the peritoneal cavity, anterior to the muscular wall of the abdominopelvic cavity?	Retroperitoneal Space
Contained between the pelvic bones and contains the urinary bladder, the rectum, and the reproductive organs?	Pelvic Cavity
These are very thin and produce a slippery ______ _______ that reduces friction from the movement of one structure against another?	Serous Fluid
Lines the exterior of the organs themselves?	Visceral Layer
Lines the walls of cavities?	Parietal Layer
What is Pleura?	Lungs
What is Pericardium?	Heart
What is Peritoneum?	Digestive System
The serous membrane lining the organ for the lungs?	Visceral Pleura
The serous membrane lining the organ for the heart?	Visceral Pericardium
The serous membrane lining the organ for the digestive organs?	Visceral Peritoneum
The serous membrane lining the wall of the cavity for the lungs?	Parietal Pleura
The serous membrane lining the wall of the cavity for the heart?	Parietal Pericardium
The serous membrane lining the wall of the cavity for the digestive organs?	Parietal Peritoneum
Where is the Thoracic Cavity?	Above the Diaphragm
Where is the Pleural Cavity?	Inside the Thoracic Cavity
Where is the Pericardial Cavity?	Inside the Thoracic Cavity
Where is the Diaphragm?	It is dividing the Thoracic Cavity and the Abdominopelvic Cavity
Where is the Peritoneal Cavity?	Inside the Abdominopelvic Cavity
Where is the Abdominopelvic Cavity?	Under the Diaphragm
Where is the Abdominal Cavity?	Inside the Abdominopelvic Cavity
Where is the Pelvic Cavity?	Inside the Abdominopelvic Cavity
Body Cavities contain what?	Viscera (organs)
The heart is covered by a serous membrane called the?	Visceral Pericardium
All body systems working together to maintain a stable internal environment is called?	State of equilibrium
Homeostasis limits the fluctuation of internal conditions to keep conditions close to a?	Set Point
Automatic response and localized control within a cell, tissue, or organ to some environmental change?	Autoregulation
Control that is mediated by the nervous system or the endocrine system?	Extrinsic Regulation
Receives the stimulus and sends a signal to the control center?	Receptor
Receives the signal, processes the signal, and sends instruction to the effector?	Control Center
Carries out the instructions sent by the control center?	Effector
A _________ ___________ _________________ exists when opposing forces are in balance?	State Of Equilibrium
What are the three components of a homeostatic regulatory mechanism?	1. Receptor 2. Control Center 3. Effector
Physiological systems are continually adapting and adjusting to changing conditions through a process called?	Dynamic Equilibrium
Enhances or accelerates the original change (conditions get even farther away from the set point), Causes further deviation from homeostasis through the establishment of a?	Positive Feedback Loop
The initial stimulus produces response that enhances, amplifies, or accelerates the original change? Example: blood clotting	Postive Feedback
The response of the effector opposes or negates the original change caused by the stimulus. Returns condition back to the set point, causes a return to homeostasis, This is the normal type of homeostatic control and the most common? Example: Sweating to cool body temperature that has gotten too high.	Negative Feedback
Where is the Spinal Cord?	In front of the mediastinum
Where is the Mediastinum?	In between the lungs
Where is the Pleural Cavity?	Lining of the lungs
Where is the Pericardial Cavity?	Lining of the heart
Where is the Parietal Peritoneum?	Serous membrane lining the wall of the cavity in the digestive system
Where is the Visceral Peritoneum?	Serous membrane lining organ of the digestive system
Where is the Parietal Pleura?	Serous membrane lining the wall of the cavity in the lungs
Where is the Visceral Pleura?	Serous membrane lining the organ of the lungs
Where is the Visceral Pericardium?	Serous membrane lining the organ of the heart
Where is the Parietal Pericardium?	Serous membrane lining the wall of the cavity in the heart