Chapter 1 An Inteoduction To The Human Body Flashcards
Physiology
Science of body function
Anatomy
Science of body structures and their relationships
Chemical
Atoms, elements, compounds
Cell
Smallest living thing
Tissue
Group of like cells performing same function
Organ
Different tissues performing same function
System
Different organs and tissues performing similar function
Organism
Different systems put together
Homeostasis
An attempt to maintain internal consistency within an organism through the regulation of the organisms functions
-Nervous system and the Endocrine system work together to maintain this internal consistency
Body fluids
Body is mostly water, 60% adult males, and 55% adult females
Intracellular
Fluid inside of the cells
Extracellular
Fluid outside of the cells, includes many areas
Interstitial
Fluid that surrounds cells (80% of extracellular fluid)
Plasma
Fluid inside blood vessels (20% of extracellular fluid)
Misc.
Fluid in Lymph, CSF, Synovial fluids (joints), fluids in the eye