Introduction to the Human Body Flashcards
What is the study of structure?
Anatomy
What are the levels of STRUCTURAL organization?
- Chemical level
- Cellular level
- Tissue level
- Organ level
- System level
- Organism level
What is a condition of equilibrium, or balance, in the body’s internal environment?
Homeostasis
What fluid is our body cells dependent on for survival?
Extracellular fluid
What is the standardized method of observing or imaging the body?
Anatomical position
What is the standardized method of observing or imaging the body?
How should the person look?
Anatomical position
Person stands up straight, upper extremities are places at the sides, palms are turned forward, feet flat on floor
What is imaginary flat surfaces that are used to divide the body?
Planes and section
What are spaces within the body that help protect, separate and support internal organs?
Body cavities
What are thin, doubled layered membranes that cover the viscera within the thoracic and abdominal cavities and also line the walls of the thorax and abdomen?
Also reduces friction
Serous Membranes
What are thin, doubled layered membranes that cover the viscera within the thoracic and abdominal cavities and also line the walls of the thorax and abdomen?
Also reduces friction
Serous Membranes
- Visceral layer
- Parietal layer
What covers the heart and lungs, respectively?
Pericardium
What is in the cranial cavity?
Cranial bones and brain
What is vertebral canal formed by?
Contains spinal cord and beginnings of spinal nerves
What is in the thoracic cavity?
Chest cavity : contains pleural and percardial cavities and mediastinum
What cavity is a potential space between the layers of the pleura that surrounds a lung?
Pleural cavity