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BIO 226 Human A&P Chapter 1

STUDY
PLAY
Anatomy
The study of structure
Physiology
The study of function
Cytology
The study of cells
Histology
The study of Tissues
Embryology
The study of development
Pathology
The study of disease
List some characteristics of of living organisms:
1. Respiration: Take in Oxygen and produce energy
2. Metabolism: Burning energy for processes
3. Waste Producing
4. Adaptability (Responsiveness)
Homeostasis
Dynamic (continually shifting) state of equilibrium; provides stability
Negative Feedback
The output shuts off the original input
Positive Feedback
The response enhances the original stimulus. (Cascade, Amplified)
Systemic
Pertaining to the whole body
Major Cavities: Dorsal
1. Cranial
2. Vertebral
Major Cavities: Ventral
1. Thoracic
2. Abdominal
3. Pelvic
Serosa
Thin double-layered membrane lining the walls of the ventral body cavity and the outer surfaces of the organs (inner visceral and outer parietal)
X-ray
Shadowy negative of internal structures. Dense structures absorb the x-rays.
CT scan
computer tomography; refined X-ray
PET scan
positron emission tomography; observes metabolic processes
Sonography
ultrasound; high frequency sound waves
MRI
magnetic resonance imaging; high-contrast image of soft tissues
Cadaver
a body being used for medical training or research
Autopsy
thorough examination of a corpse in order to determine the cause of death to evaluate any disease or injury that may be present