Cell specialization in Animals
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Factors thet influence cell differeniation
• whats in thier cytoplasm • the environmental conditions • influence from neighbour cells
Why might there be abnormal development in cells
bad envionrmental factors, pollution, deceases, and parasites
Why tissues cells dont divide?
the genes turned of and connot divide anymore becasue it consists of matured and specilized cells in a group.
4 types of tissues for amanimal cells and description
• epithelial tissue - protection - lines the surface of body between • connective tissue - support - binding organs - transporting substances • muscular tissue - movement • nervous tissue - nerve impulses - co-ordination of body functions
3 types of muscle tissues
SKELETAL: - atatched to bones - found in limbs - straight lines SMOOTH: - found in blood vessels & lining of organs - tapered at both ends CARDIAC - found in heart - unevenly shaped
3 connective tissues
BONES: - necessary for movement ADIPOSE (fate) - necessary for energy storage, padding and insulation BLOOD - transports nutrients and gasses
Stem Cells
unspecialized cells that when duplicated can change into specialized cells