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chapter 4 tissue and systems (connective (organ, bone, skin, nerve, holds…
chapter 4 tissue and systems
epithelial tissue
covers and lines body
cells close like a sheet
flat scale like; squamous
Membrane
sheet like structures found through out the body that perform special functions
classified as organs
Tissues
cutaneous
serous
mucous
connective
organ
bone
skin
nerve
holds things together
can form fine delicate webs
or atong cord like stuctures: wire cable
synovial membrane
found in joints
used as lub
reduces friction
muscle tissue
provides means for movement by and in our bodies
ability to contract
3 types:skeletal, cardiac and smooth
skeletal
called saturates
attached to bone
mouth
long fiber like cells with many nuclei found in each
cardiac
found in heart
considered involuntary
cells interlock with each other
smooth
form walls of hollow organs, digestive syst and arteries
involuntary
not as long and fiberous
ability to contract and idalate
nervous
rapid messenger
neurona:conductor of info
dendrites branch like info
nerous that receive sensory info
flexon: trunk shaped structure