Chapter 1&3 Flashcards
Homeostasis
ability of organism to keep internal environment relatively stable
enzymes
proteins that speed up chemical reactions
cell to cell communication
information between cells via chemical signals, electrical signals or a combination of both
kinetic energy
energy of motion
potential energy
stored energy
potential energy
stored energy
compliance
ability to strech
elastance
stiffness of ability to return to the unstretched state
viscosity
fluidity
matrix
extracellular material synthesized and secreted by the cells
teleological approach
explains the “why’
mechanistic approach
explains the “how”
Physiology
study of the normal functioning of a living organism and its component parts
also includes all its chemical and physical processes
anatomy
the study of how the body is put together and the names of all the parts
Name all organ system levels (hint: 11)
integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphoid, respiratory, digestive, urinary, reproductive
name the levels of organization
atoms, molecules, cells, tissues, organs, organ system, organism
define cells and give an example
collection of molecules separated from external environment by cell membrane. There are many different types of cells in the human body.
Ex. nerve cells, muscle cells, epithelial cells, connective tissue cells.
define tissues and how are they held. give example of tissue (4)
aggregation of similar types of cells, that carry our related functions. Cells are making up a tissue are held together by specialized connections, called cell junctions and extracellular substances
ex. epithelial, connective, muscle, and nervous tissue
define organs and give examples
structures that contain 2 or more tissue types that have specific functions.
ex. stomach, heart, lungs, brain
define organ system and give examples
collection of multiple organs that integrate their functions to provide specific tasks.
ex. digestive, circulatory, endocrine
