What are cells What are cells and what do they and what do they

do?do?Structure and FunctionStructure and Function

KWLKWLWhat I KnowWhat I Know What I Want What I Want

to Knowto KnowWhat I What I LearnedLearned

1.1. 1.1. 1.1.

2.2. 2.2. 2.2.

3.3. 3.3. 3.3.

4.4. 4.4. 4.4.

5.5. 5.5. 5.5.

VocabularyVocabulary1.1. CellCell-the basic unit of structure and -the basic unit of structure and

function of al living thingsfunction of al living things2.2. CellCell MembraneMembrane-thin covering -thin covering

enclosing the cellenclosing the cell3.3. NucleusNucleus-the central part of most cells -the central part of most cells

and determines most of cells’ functionsand determines most of cells’ functions4.4. CytoplasmCytoplasm-jelly-like substance -jelly-like substance

containing many chemicals to keep cell containing many chemicals to keep cell alivealive

Vocabulary continuedVocabulary continued5.5. DiffusionDiffusion-process by which particles move -process by which particles move

from higher concentration to lower from higher concentration to lower concentrationconcentration

6.6. OsmosisOsmosis-the moved of water and dissolved -the moved of water and dissolved materials through the cell membranematerials through the cell membrane

7.7. TissueTissue-cells that work together to perform -cells that work together to perform s specific funcitons specific funciton

8.8. OrganOrgan-tissues that work together to -tissues that work together to perform a specific functionperform a specific function

9.9. SystemSystem-organs that work together to -organs that work together to perform a specific functionperform a specific function

Parts of a MicroscopeParts of a Microscope

The Cell TheoryThe Cell Theory1.1. Cells are the basic units of lifeCells are the basic units of life2.2. All organisms are composed of one of All organisms are composed of one of

more cellsmore cells3.3. Cells arise from preexisting cellsCells arise from preexisting cells

Separate your paper into three equal Separate your paper into three equal partspartsIllustrated each part of the cell theoryIllustrated each part of the cell theory

Lab 1: Observing CellsLab 1: Observing Cells