phys lab quiz 2

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Molecular motion

reflects the kinetic energy of molecules and is random and erratic
Velocity of molecular movment

is lower in larger molecules and increases with increasing temps
passive processes
- Account for the movement of fats and respiratory gases through the plasma membrane
- include osmosis, simple diffusion and filtration
- use hyrostatic pressure or molecular energy as the driving force
Active processes
- explain solute pumping, phagocytosis and pinocytosis
- may occur against concentration and or elecrical gradients
- move ions amino acids and some sugars accross the plasma membrane
Epithelium
- Lines body cavity and covers the body's external surfaces
- cells my absorb secreate and filter
- synthesizes hormones
Muscle
- Pumps blood flushes urine out of the body allows to swing a bat
- major function is to contract
- transmits electochemical impulses
Nervous
- transmits electochemical impulses
- most involved in reulating and contoling body functions
- forms nervs ing the brain
Concective
- Anchors, packages, and supports body organs
- most durrable tissue type
- abundant nonliving extracellular matrix
- most widespread tissue in the body
Dense
- Attaches bones to bones and muscles to bones
- the dermis of the skin
Adipose
- Acts as a storage depot for fat
- insolates against heat loss
Fibrocartilage

makes up the interverterbral discs
osseous
- forms the hip bone
- Matrix hard owing to calcium salts provides levers for muscles to act on
Areolar

Composes basment membranes a soft packaging tissue with jelly like matrix
Hyaline cartalage
- forms the lyrnx the costal cartilage of the ribs and the embriotic skeleton
- firm structurally amorphous matrix heavily invaded with fibers appers glassy and smooth
Elastic Cartilage

provides a flexible framework for the external ear

Author

mkrobbins

93102

Card Set

phys lab quiz 2

Description

Physiology

Updated

2011-07-06T05:11:55Z

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