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• What system divides the abdominopelvic cavity into nine separate regions?

  The anatomical system
• What is the centermost region of the abdominopelvic cavity called?

  The umbilical region
• Where is the epigastric region located in relation to the umbilical region?

  It is superior to the umbilical region
• What is the hypogastric region also known as?

  The pubic region
• Which regions are lateral to the hypogastric region?

  The right iliac and left iliac regions
• What do the right lumbar and left lumbar regions lie lateral to?

  They lie lateral to the umbilical region and spinal column
• What do the right hypochondriac and left hypochondriac regions contain?

  The lower ribs
• What are the main components of the oral cavity and digestive cavity?

  • Contains the teeth and tongue
  • Part of and continuous with the digestive organs
  • Opens to the exterior at the anus
• Where is the nasal cavity located?


  • Located within and posterior to the nose
  • Part of the respiratory system
• What do the orbital cavities in the skull house?

  • The eyes
  • Present them in an anterior position
• What is the function of the middle ear cavities?


  • Carved into the skull
  • Lie just medial to the eardrums
  • Contain tiny bones that transmit sound vibrations to the inner ears
• What is another name for a spinal tap?

  Lumbar puncture
• What is the purpose of a spinal tap?


  To check for cerebrospinal fluid (CSF)
• What is the pericardial cavity associated with?

  The heart
• What does pericardial fluid do?


  Provides lubrication for the heart to move freely
• What does retroperitoneal refer to?

  Structures not enclosed in the peritoneum
• What is an appendectomy?


  The removal of the appendix
• Where is the heart located?

  In the mediastinum
• What is rebound tenderness a test for?

  Appendicitis
• What does rebound tenderness indicate?


  Pain felt when pressure is released from the area
• What does the dorsal body cavity include?

  • Well protected by bone
  • Includes cranial cavity (brain)
  • Includes spinal cavity (spinal cord)
• What does the ventral body cavity include?


  • Protected only by trunk muscles
  • Includes thoracic cavity (heart and lungs)
  • Includes abdominopelvic cavity (digestive, urinary, and reproductive organs)
• What is the process of cellular reproduction called?


  Mitosis
• What is the outcome of cellular reproduction?


  It produces two identical daughter cells.
• What is the role of the reproductive system in humans?


  It produces sperm and eggs for reproduction.
• What happens when a sperm unites with an egg?

  A fertilized egg is formed, which can develop into an organism.
• What is the effect of temperature below 37°C on cellular processes?

  Cellular processes slow down and may eventually stop.
• What occurs if the body temperature is too high?

  Chemical reactions proceed too rapidly, leading to protein breakdown.
• What are the four abdominopelvic quadrants?

  Right upper quadrant (RUQ), right lower quadrant (RLQ), left upper quadrant (LUQ), left lower quadrant (LLQ).
• What are the nine regions of the abdominopelvic cavity?

  • Right hypochondriac region
  • Epigastric region
  • Left hypochondriac region
  • Right lumbar region
  • Umbilical region
  • Left lumbar region
  • Right iliac (inguinal) region
  • Hypogastric (pubic) region
  • Left iliac (inguinal) region
• What is the function of the oral cavity?


  It contains the teeth and tongue and is part of the digestive system.
• Where is the nasal cavity located?


  Within and posterior to the nose.
• What do the orbital cavities house?


  The eyes.
• What is the role of the middle ear cavities?


  They contain tiny bones that transmit sound vibrations to the inner ears.
• If you wanted to separate the thoracic cavity from the abdominal cavity, what type of section would you make?

  A transverse section.
• Which organs are located in the abdominopelvic cavity?


  Small intestine, uterus, and appendix.
• What is homeostasis?


  The body's ability to maintain stable internal conditions despite external changes.
• Why is communication within the body essential for homeostasis?

  It allows the nervous and endocrine systems to regulate internal conditions.
• What are the components of homeostatic control systems?


  1. Receptor
  2. Control center
  3. Effector
• What does the receptor do in a homeostatic control system?

  It monitors changes in the environment and responds to stimuli.