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chapter 1
chapter 1
31
Physiology
Undergraduate 2
01/12/2012

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Term
epithelial tissue in glands have:
Definition
a free edge for ducts
Term
The purpose of connective tissue is:
Definition
to connect, support, anchor, framework, protect
Term
CT is not tightly packed, instead it has a:
Definition
extra cellular matrix
Term
dense fibrous CT are:
Definition
tendons & ligaments
Term
catilage is
Definition
gel like
Term
blood is:
Definition
water like, transports blood cells
Term
the function of adipose
Definition
cushion, insulation, food storage
Term
bone CT:
Definition
acts as framework, surrounded by hydroxy patite crystal=hard
Term
function of loose CT:
Definition
packing & cushioning, right under skin
Term
fibers are:
Definition
collagen and elastin
Term
definition of organs:
Definition
2 or more basic types of tissue
Term
definition of systems:
Definition
collection of organs
Term
*intracellular fliud:
Definition
fluid w/in cell
Term
*extra cellular fluid:
Definition
fluid outside cell but w/in body
Term
examples of extracellular fluid are:
Definition
plasma and interstitial fluid
Term
interstitial fluid is:
Definition
the immediate surroundings of the cell
Term
definition of homeostasis:
Definition
maintenence of a relatively stable environment for the cell so the cell can function and survive
Term
10 of the 11 major body systems contribute to homeostasis except:
Definition
the reproductive system
Term
the only two ways to control acid/base balance in body:
Definition
respiratory and urinary systems (breathe or pee out)
Term
Stomach PH:
Definition
needs to be 1 to 3, extremely acidic
Term
bloody PH needs to be:
Definition
7.35-7.45, 6-8 and you're dead
Term
every living cell contrubutes to the ___ and _____ of homeostasis
Definition
destruction & maintaining
Term
homeostasis must be able to:
Definition
detect deviations in the internal environment & adjust the internal environment appropriately
Term
Definition of Intrinsic control:
Definition
controlling your own level of activity
Term
examples of instrinsic control:
Definition
heart-more blood comes in when you're active, kidneys-blood pressure, constructs and dialates, stomach-contracts accoring to stretch
Term
Definition of extrinsic control:
Definition
control from CNS and endocrine system.
Term
Extrinsic control always _______ intrinsic control
Definition
overrrides
Term
components of negative feedback:
Definition
set point (homeostasis), sensor (detects stimuli), integrator (processes and makes decision), effector (fix)
Term
Define negative feedback:
Definition
product stops regulation of events
Term
examples of negative feedback:
Definition
home heating system, blood pressure regulation, blood sugar levels
Term
examples of positive feedback:
Definition
1. blood clotting, 2. antibody production, 3. uterine contraction during childbirth
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