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LT 2a: Levels of Org

LT 2a: Levels of Body Organization

QuestionAnswer
organism a living thing that can carry out life processes by itself.
tissue a group of similar cells that perform a common function.
organ a structure made up of a collection of tissues that carries out a specialized function.
organ system a group of organs that work together to perform body functions.
unicellular organism a single-celled organism.(prokaryotic)
multicellular organism an organism with more than one cell(eukaryotic)
Cells The smallest unit of life. An example of a single celled organism is an amoeba
Tissues A bunch of these make organs in all organisms. An example is epithelium tissue making up the stomach of a lion.
Organs A bunch of these make up all organ systems. An example is a lung in the respiratory system.
Organs An example of this is my skin, which provides a protective layer for my body
Organ Systems An example of this is a bear and its digestive system. The digestive system is responsible for breaking down food for energy.
Created by: Mrs. Corey
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