1.4 Homeostasis Flashcards
the formation of new cells for tissue growth, repair, or replacement, or (2) the production of a new individual
Homeostasis
the maintenance of relatively stable conditions in the body’s internal environment.
An important aspect of homeostasis is maintaining the volume and composition of
body fluids
body fluids
dilute, watery solutions containing dissolved chemicals that are found inside cells as well as surrounding them
The fluid within cells is
intracellular fluid
ICF
Intracellular fluid
The fluid outside body cells is
extracellular fluid
ECF
extracellular fluid
The ECF that fills the narrow spaces between cells of tissues is known as
interstitial fluid
ECF within blood vessels is termed
Blood Plasma
ECF within lymphatic vessels it is called
lymph
ECF in and around the brain and spinal cord it is known as
cerebrospinal fluid
ECF in joints it is referred to as
synovial fluid
ECF of the eyes is called
aqueous humor and vitreous body
Which fluid serves as the bodies ‘internal environment’?
extracellular fluid
The space that surrounds the entire body.
External environment
Which system covers the outer surface of the body?
integumentary system
Oxygen enters plasma through the
respiratory system
nutrients enter plasma through the
digestive system
oxygen and nutrients are transported through the body by the
cardiovascular system
The waste product CO2 is removed from the body via the
respiratory system
nitrogen-containing wastes, such as urea and ammonia are eliminated from the body via the
urinary system
The science of _____ is the study of patterns in disease and how they are transmitted among individuals in the community
epidemiology
A ____ disease effects the whole body.
Systemic
In a ____ feedback system, the initial stimulus is reversed
negative
maintaining homeostasis in the body requires communication between the
nervous and endocrine systems
