Organism Hierarchy Flashcards
What is Anatomy?
The study of the structure of organs and body systems
What is Physiology?
The study of the functions of organs and body systems
List the 7 components of the structural hierarchy of the human body:
Atoms Molecules Cells Tissues Organs Organ Systems Organisms
What is an Atom?
Smallest part of an element that still retains all original properties of the element
What is a Molecule?
The combination via (chemical bonding) of atoms which poses its own characteristics independent of the atoms themselves
What is a Cell?
Combination of specific molecules to form basic unit of all known life
What is Tissue?
Cells that combine in terms of function and type
What is an Organ?
Two or more tissue types that work together to perform a specific function
What is an Organ System?
When organs work together to perform a task
What is an Organism?
Highest level of organization, and the result of all organ systems working together in the body