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BIOLOGY
Animal
39
Science
9th Grade
04/14/2008

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Term
Cells - ? - ? - ?
Definition
tissue, organ, organ system
Term
tissu =
Definition
woven
Term
Tissue
Definition
groups of cells that are similar in structure and perform a common or related function
Term
Four types of tissues
Definition
epithelial, connective, muscle, and nervous
Term
epithelial tissue
Definition
covers internal and external surfaces
Term
connective tissue
Definition
used for support
Term
muscle tissue
Definition
used for movement
Term
nervous tissue
Definition
control
Term
Most organs contain or do not contain all four types of tissue?
Definition
contain
Term
Histology
Definition
study of tissues
Term
organs
Definition
a group of various tissue types working together to perform a particular function
Term
Skeletal muscle
Definition
support, protect, moves parts of the body
Term
Hydrostatic
Definition
rings of muscles that work together with water in gastrovascular cavity
Term
Endoskeleton and two examples
Definition
internal skeleton
-humans (bones; calcium)
-sponges (silica)
Term
exoskeleton
Definition
external skeleton, chitin - carbohydrate (many invertebrates)
Term
____ is the second most abundant polysaccharide in nature
Definition
chitin
Term
Skeleton...
Definition
supports body
protects organs
provides for movement
stores minerals
site of blood cell formation
Term
Sponges:
Cnidarians:
Platyhelminthes:
Round Worms:
Annelids:
Mollusks:
Arthropods:
Echinoderms:
Fish:
Amphibians:
Reptiles:
Birds:
Mammals:
Definition
simple endoskeleton spicules of silica
hydrostatic
hydrostatic
hydrostatic
hydrostatic
hydrostatic (some), some exoskeleton (shell)
exoskeleton (chitin)
endoskeleton calcium carbonate
endoskeleton
endoskeleton
endoskeleton
endoskeleton
Term
____ bones in human skeleton
Definition
206
Term
axial skeleton:
Definition
supports central axis of body (skull, vertabrae column, rib cage)
Term
appendicular skeleton:
Definition
Term
Periosteum
Definition
outer layer of tough conective tissue surrounding the bone
Term
compact bone
Definition
dense, storng bone (not solid)
Term
Haversian canals
Definition
network of tubes that contain blood vessels and nerves
Term
spongy bone
Definition
less dense, light strong
Term
Bone marrow
Definition
soft tissue within bone cavities
Term
yellow marrow
Definition
made mostly of fat cells
Term
red marrow
Definition
produces RBC's some WBC's platelets
Term
ossification
Definition
process of bone formation, replacing cartilage (tough connective tissue)
Term
Osteo
Definition
bone
Term
Osteoblasts
Definition
build bone; secrete mineral deposits
Term
Osteocytes
Definition
maintain cell activites of bone
Term
osteoclasts
Definition
corrode, cut down bone; help repair broken bones
Term
Joint
Definition
bone to bone; different types based on movement
Term
immovable (fixed)
Definition
fixed, skull
Term
slightly movable
Definition
between vertabrae, tibia/fibula
Term
freeley movable
Definition
ball and socket, hinge, pivot, saddle joint
Term
Ligments
Definition
bone to bone
Term
tendons
Definition
muscle to bone
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