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Anatomy describes the ___ of the body -- their scientific names, composition, location and assoc structures.
Structures
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____ studies the functions of each structure, individually & in combination w/other structures
Physiology
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All physiological functions are performed are performed by specific ___ ___.
Anatomical structures
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An anatomist studies the ____ of something where as a physiologist study how that something ____.
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The study of anatomy is divided into what 2 major fields?
- Gross Anatomy
- Microscopic Anatomy
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Gross anatomy (aka ____ anatomy) is defined as what?
- Macroscopic
- The study of lg visible structures
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Microscopic anatomy is defined as what?
StudyStructures udy of structures too sm too see such as cells and molecules
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Name the 5 divisions of Gross anatomy.
- Surface
- Regional
- Systemic
- Developmental
- Clinical
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____ anatomy describes surface forms and marks.
Surface
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____ anatomy describes the organization of specific areas of the body.
Regional
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Systemic anatomy describes what?
Grps of organs that function together for a single purpose
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What division of gross anatomy describes structural changes in an organism fr fertilized egg to maturity?
Developmental
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_____ is the anatomical study of early development.
Embryology
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Clinical anatomy is defined as what?
- Anatomy broken down by medical specialty.
- ie radiographic- structures appearing on scans and x- rays
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What are the 2 major divisions of microscopic anatomy?
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The study of cells & their structures is known as ___.
Cytology
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Histology is defined as what?
The study of tissues & their structures
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What are the 4 basic divisions of Physiology?
- Cell
- Specialized
- Systemic
- Pathological
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What division of physiology includes chem & molecular processes within & between cells?
Cell
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Specialized physiology is the study of . . . .
Specific organs such as the heart
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The study of the cooperative functions of all organs in an organ sys is known as ____ physiology.
Systemic
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Pathological physiology focuses on what?
Effects of disease on organs and organ systems
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The 8 levels of organization among living things, fr smallest to largest, are what?
- Atoms
- Molecules
- Organelles
- Cells
- Tissues
- Organs
- Organ sys
- Organism
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As the environment around or within us changes, physiology sys work together to maintain a stable internal environment. This is known as ____.
HomeostasisHomeostasis
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What are the 2 primary mechanisms that reg homeostasis?
- Auto- or intrinsic regulation
- Extrinsic regulation
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Which mechanism used to regulate homeostasis utilizes an automatic response by a cell, tissue, organ or organ sys to a change in its environment?
Auto- or intrinsic regulation
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The mechanism that utilizes the nervous & endocrine sys to regulate homeostasis is known as ___ ___.
Extrinsic regulation
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With regards to regulation of homeostasis, the nervous system does what?
Responds to external stimuli w/short term nerve responses
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With regards to regulation of homeostasis, the endocrine sys does what?
Responds to internal conds w/long term chem controls known as hormones
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A homeostatic regulatory mechanism consists of what 3 parts which each do what?
- Receptors - sensors that respond to a stimulus
- Ctrl ctr - receives info fr sensors & sends out commands
- Effectors - cell/organ responds to ctrl ctr
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When the response of an effector opposes the original stimulus ____ feedback occurs.
Negative
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When the response of an effector adds to original stimulus rather than negating it, ____ feedback is occurring.
Positive
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Failure of the body to maintain equilibrium WNL results in ____ or ____.
Disease or Death
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The body is said to be in a constant state of dynamic equilibrium. This means what?
The body is constantly working, changing and responding to stimuli in order to maintain homeostasis
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What 5 internal characteristics are most important in maintaining homeostasis?
- Body temperature
- Body fluid composition
- Body fluid volume
- Waste product composition
- BP
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What are the 3 sectional planes?
- Sagittal
- Frontal
- Transverse
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The sagittal plane divides the body how?
Into right & left halves
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The frontal plane (aka ____ plane) divides the body how?
Into anterior & posterior portions
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A transverse plane is at a ___ ___ to the sagittal & frontal planes resulting in ___ & ___ portions.
- Right angle
- Inferior & Superior
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Internal compartments in the body are called ___. They perform what functions?
- Cavities
- Provide protection, hold organs in place, allow organs to change size/shape
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All internal organs found within body cavities are called ____.
Viscera
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The name given to moist layers of connective tissue that cover walls of internal cavities and visceral organs themselves is ___ ___.
Serous membrane
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What is the purpose of the serous membrane?
Friction reduction allowing organs to expand & contract freely
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The layer of serous membrane that covers the walls of internal cavities is know as the ___ layer.
Parietal
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The layer of serous membrane that covers organs themselves is known as the ____ layer.
Visceral
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The ventral body cavity (coelom) is divided by the ___ into what 2 parts?
- Diaphragm
- Thoracic & Abdominopelvic cavities
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The thoracic cavity is divided into what 2 sub cavities?
- Pleural cavity
- Pericardial cavity
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We have a left and right ___ cavity that is divided by the mediastinum.
Pleural cavity
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The pleural cavity contains the ___ (organ) which are covered by what membrane?
- Lungs
- Visceral & parietal pleura
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The pericardial cavity contains the (organ) ____ and utilizes what membranes?
- Heart
- Visceral & parietal pericardium
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What 2 sub cavities are within the abdominopelvic cavity (Aka ____ cavity)?
- Abdominal
- Pelvic
- Peritoneal
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The peritoneal cavity contains what 2 membranes?
Visceral & parietal peritoneum
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The abdominal cavity (superior peritoneal) contains what 4 organs?
- Liver
- Stomach
- Spleen
- Intestine
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The pelvic cavity (inferior peritoneal) contains what 3 organs?
- Intestine
- Bladder
- Reproductive organs
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