Chapters 1-6 Flashcards
What is the definition of physiology?
The study of the normal functioning of a living organism and its component parts including all its chemical and physical processes. “Knowledge of nature”
What are emergent properties?
Properties that cannot be predicted to exist based only on knowledge of the systems individual component
What are the levels of organization?
Atoms -> molecules -> cells-> tissues -> organs -> organ systems -> organisms -> population of one species -> ecosystem of different species -> biosphere
What is a cell?
Collection of different molecules. The smallest structure capable of carrying out all life’s processes
What is a cell membrane?
A lipid protein barrier that separates the cells from their external environment
What are tissues?
Collections of cells that carry out related functions
What are organs?
Groups of tissues that form structural and functional units
What are organ systems?
Groups of organs with related functions
What is the integumentary system?
It is composed of the skin and it forms a protective boundary that separates the body’s internal environment from the external environment
What does the musculoskeletal system provide for the body?
Support and body movement
What does the respiratory system do?
Exchange gasses
What does the digestive system do?
Takes up nutrients and water and eliminates wastes
What does the urinary system do?
Removes excess water and waste material
What does the reproductive system do?
Produces egg or sperm
What does the circulatory system do?
Distributes materials by pumping blood through vessels
