the study of the internal and external structures and their relationships to one another.
the functions of the body's structural machinery, that is, how all the body parts work and carry out life sustaining activities.
Gross anatomy or Macroscopic anatomy
cutting open; look at or view
ex. structures of a dissected heart
Cannot be seen without magnification
ex. cellular structure of heart wall
simplest form is the observation of surface structure.
Feeling or touching parts of the body.
Listening or using a stethascope
Using auscultation and palpation at the same time
Origin of cellular theory
Levels of Organization: six levels of hierarchy
Chemical level- Atoms (smallest stable unit of matter)
Cellular level- Smallest living units in the body
Tissue level- Group of cells working together
Organ level- Two or more tissues working together
Organ system- Multiple organs interacting
Organism- Whole human (Highest level)
Characteristics of life
Metabolism and excretion- The elimination of chemical waste products generated by the organisms.
Responsiveness-Indicates that the organism recognizes changes in its internal or external environment; required for adaptability
Movement- Distributes material throughout large organisms
Growth and Reproduction- Indicates that the organism is successful
The ability to maintain stable internal conditions versus outside changes. It is a dynamic state of equilibrium in which the internal conditions vary, although within narrow limits. It is absolutely vital, a failure to maintain homeastases may lead to illness or even death.