Cells!Cells!

IMPORTANT!IMPORTANT!Human Body

Organs

Tissue

Cells

Organelles

The Cell TheoryThe Cell TheoryAll organisms are composed of

one or more cellsThe cell is the basic unit of life in

all living things. All cells come from existing cells

There are many different There are many different kinds of cells. One major kinds of cells. One major

difference occurs difference occurs between plant and between plant and

animal cells.animal cells.

Animal CellAnimal Cell

Plant CellPlant Cell

Do you see a difference?Do you see a difference?

Cell PartsCell Parts

NucleusNucleusChromosomes are found here –

the brain of the cell

Nuclear MembraneNuclear MembraneHolds nucleus together

Cell Membrane:Cell Membrane:It is fluid like and separates the

cell from the outside environment. It keeps the cytoplasm inside and allows nutrients in and waste products out.

Endoplasmic Reticulum:Endoplasmic Reticulum:a membrane covered cell

organelle that breaks down drugs and other substances & packages proteins for delivery out of the cell.

Lysosome:Lysosome:Digests food articles, wastes, cell

parts, and foreign invaders

Mitochondrion: Mitochondrion: This organelle is the power plant

of the cell. It breaks down food particles so that energy can be produced.

Golgi Complex:Golgi Complex:organelle that modifies,

packages, and transports material out of the cell.

CytoplasmCytoplasmJelly like substance within a cell

RibosomesRibosomesWhere proteins are made

3 things not found in an animal 3 things not found in an animal cell that are found in a cell that are found in a plant plant cellcell::Valcuole: serves as a storage

container for waterCell Wall: gives a plant cell a

defined shape which helps support individual part of plants.

Chlorophyll: Traps light and is used to produce food for plants