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Lvls of Cell Org

Levels of Cellular Organization FHS

QuestionAnswer
A single cell existing alone unicellular
give examples of single celled organisms bacteria, algae, protozoans
Loosely attached groups of cells All are the same in structure / function May exhibit coordination of movement, etc. volvox colonial
Many cells “cellular specialization” Specialized cells for specialized functions ie. Different cell types making up the individual ex. neurons, epithelial cells, muscle cells, etc. multicellular organisms
Groups of similar cells performing a common function Ex. Epithelial tissue lining the digestive tract tissues
cover body surfaces and line body cavities. Typically form flat sheets of tissue Ex. Skin, inside cheek, lining intestines epithelial tissue
supports other body tissues and binds tissues to organs Cells are widely separated Ex. Adipose (stores fat), tendons, bones connective tissue
transports nutrients and wastes O2 and CO2 to / from cells blood
conduction of nerve impulses nerve tissue
specialized for contraction muscle tissue
give an example of cardiac tissue heart
attach to bones / allow for voluntary movement skeletal tissue
found in organs / allow for involuntary movement smooth tissue
A group of tissues working together to perform a specific function Ex. stomach organs
A group of organs working together to perform a common function Ex. Digestive system organ system
list the levels of organization Atoms Molecules Cells Tissues Organs Organ systems
Created by: serverge
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