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Vocabulary Week 11
Mrs.Lisa Martin's Class
10
Science
7th Grade
11/07/2011

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Term
Cell Wall
Definition
The fairly rigid layer surrounding a plant of fungus cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism.
Term
 Circulatory System
Definition
The system consisting of the heart and a closed system of vessels (arteries, veins, and capillaries) which provide a continuous flow of blood to your body, supplying the tissues with oxygen and nutrients.
Term
Digestive System
Definition
Body organs responsible for getting food into and out of the body and for making use of food.
Term
Heredity
Definition
The passing of traits from parents to offspring by genes
Term
Levels of Organization
Definition
Sequence of the structures of living things from the least complex to the most complex-cells, tissues, organs, organ systems, organisms
Term
Organ
Definition
Two or more different tissues in an organism that are organized to do a particular job; e.g. brain, stomach.
Term
Organ Systems
Definition
Related organs that work together to do a set of tasks; e.g. the digestive system.
Term
Organism
Definition
Any living thing
Term
Response
Definition
An action following a stimulus
Term
 Tissue
Definition
A group of cells in an organism with a similar structure and function
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