the 5 levels of organization

The 5 levels of The 5 levels of OrganizationOrganization

What are the 5 levels?What are the 5 levels?

1. Cells

2. Tissues

3.

Organs

4.

Organ

Systems

5. ORGANISM

The 5 LevelsThe 5 Levels

1. Cells1. Cells

2. Tissues2. Tissues

3. Organs3. Organs

4. Organ Systems4. Organ Systems

5. Organism5. Organism

1. Cells1. Cells

Cells are the basic unit of all living Cells are the basic unit of all living things.things.

Different cells have different Different cells have different functions.functions.

Examples: blood cells, bone cells and Examples: blood cells, bone cells and skin cellsskin cells

1http://www.manatee.k12.fl.us

EXAMPLES OF CELLSEXAMPLES OF CELLS

Blood CellMuscle Cell

Plant Epidermal Cell

www.turbosquid.com

dept.kent.edu/projects/cell/TM2.JPG

http://plantpath.ifas.ufl.edu

2. Tissues2. Tissues

Made up of many cells Made up of many cells (hint! Look (hint! Look for nuclei!)for nuclei!)

A group of cells that work together to A group of cells that work together to perform a specific job.perform a specific job.

Examples: Blood, piece of muscle, Examples: Blood, piece of muscle, and fat.and fat.

2trc.ucdavis.edu

Examples of TissueExamples of Tissue

Blood ?!

Kidney tissue

3. Organs3. Organs

Two or more tissues working Two or more tissues working together to perform a specific job.together to perform a specific job.

Examples: stomach, intestines, heartExamples: stomach, intestines, heart

3

Examples of OrgansExamples of Organs

a leaf

The Heart

In a plant:

Examples of OrgansExamples of Organs

Skin!

4. Organ Systems4. Organ Systems

A group of organs working together A group of organs working together to perform a specific job.to perform a specific job.

If one part of the system fails, it has If one part of the system fails, it has an effect on the whole system.an effect on the whole system.

What would happen if your stomach What would happen if your stomach stopped working? stopped working?

4

Here are some organ systems Here are some organ systems you should remember . . .you should remember . . .

Skeletal SystemSkeletal System What are some of the What are some of the

functions of the functions of the skeletal system?skeletal system?

1.1. Protection of organsProtection of organs

2.2. Storage of mineralsStorage of minerals

3.3. Gives our body shapeGives our body shape

4.4. Blood cell formationBlood cell formation

*http://www.stpeters.k12.nf.ca/skel.jpg

Major Organs: BonesMajor Organs: Bones

Muscular SystemMuscular System

What are some What are some things our muscles things our muscles do?do?

Holds you uprightHolds you upright Responsible for Responsible for

movement movement

http://www.criticalbench.com/images/muscular-system.jpg

Major organs: musclesMajor organs: muscles

www.3d4medical.com

Cardiovascular SystemCardiovascular System

Pumps blood through Pumps blood through the bodythe body

Transports materials, Transports materials, like oxygen, to and like oxygen, to and from the cellsfrom the cells

Stops bleeding (platelets)Stops bleeding (platelets) Fights off pathogens Fights off pathogens

(white blood cells)(white blood cells)

health.enotes.com

Respiratory SystemRespiratory System

Allows the body Allows the body to obtain and use to obtain and use oxygenoxygen

It also gets rid of It also gets rid of carbon dioxide carbon dioxide (CO(CO22))

lungdiseases.about.com

The exchange of The exchange of oxygen oxygen between the between the capillaries and capillaries and the alveolithe alveoli

Digestive SystemDigestive System

Digests food into Digests food into small particles to small particles to be used by the be used by the body.body.

www.teachnet.ie

biology.clc.uc.edu

From this . . .

To this!

www.larchmontgazette.com

Nervous SystemNervous System

Controls and Controls and coordinates many coordinates many things in the body.things in the body.

Collects and processes Collects and processes information.information.

Responsible for the five Responsible for the five senses: taste, touch, senses: taste, touch, smell, hearing, and smell, hearing, and sightsight

www.ama-assn.org

Excretory System:Excretory System:– Gets rid of liquid waste through Gets rid of liquid waste through

urination (peeing!)urination (peeing!)– Major organs: bladder, kidneys, uretersMajor organs: bladder, kidneys, ureters

Reproductive system: IReproductive system: I’’m sure you m sure you know what this does . . . know what this does . . .

The last level of The last level of organization!organization!

5. Organism5. Organism

Anything that can live on its own.Anything that can live on its own. Are made up of at least 1 cell.Are made up of at least 1 cell. Examples: rabbit, bacteria, pine treeExamples: rabbit, bacteria, pine tree

5www.bunny-rabbits.com

Quick Quiz!Quick Quiz!

10 questions10 questions 1 bonus1 bonus

What are the 5 levels of organization?What are the 5 levels of organization?

12

3

4

5

What level is this in? What level is this in? (write the name of the level)(write the name of the level)

It’s an egg.

www.uoguelph.ca

(The hippo)(The hippo)

www.marymount.k12.ny.us

KidneyKidney

www.umm.edu

BONUS! BONUS!

www.321site.com

It’s a root.

THE ENDTHE END

ImagesImages

plant epidermal cell: plant epidermal cell: /pdc/Inclusionpage/Poty/PVYpetuniaInc.jpg/pdc/Inclusionpage/Poty/PVYpetuniaInc.jpg

muscle: trc.ucdavis.edu/.../muscle/images/cardiac2.jpg muscle: trc.ucdavis.edu/.../muscle/images/cardiac2.jpg blood: science.uwe.ac.ukblood: science.uwe.ac.uk kidney tissue: kidney tissue:

www.academic-server.cvm.umn.edu/caseofmonth/E...www.academic-server.cvm.umn.edu/caseofmonth/E... Stomach: instruct.westvalley.edu/granieri/stomach.jpgStomach: instruct.westvalley.edu/granieri/stomach.jpg leaf: http://web.mit.edu/cjoye/www/photo/img/Leaf.jpgleaf: http://web.mit.edu/cjoye/www/photo/img/Leaf.jpg skin: skin:

http://www.arikah.com/commons/en/1/13/Human_skin_strhttp://www.arikah.com/commons/en/1/13/Human_skin_structure.jpgucture.jpg

heart: http://en.wikipedia.org/wiki/Heartheart: http://en.wikipedia.org/wiki/Heart respiratory system: respiratory system:

http://www.yourdictionary.com/images/ahd/jpg/A4respir.jhttp://www.yourdictionary.com/images/ahd/jpg/A4respir.jpgpg