the 5 levels of organization - mr. hamilton's science...
TRANSCRIPT
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The 5 levels of Organization
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What are the 5 levels?
1. Cells
2. Tissues
3.
Organs
4.
Organ
Systems
5.
Organism
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∗ Cells are the basic unit of all living things.
∗ Each type of cell performs a different function.
∗ Examples: blood cells, bone cells and skin cells
1. Cells
1http://www.manatee.k12.fl.us
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EXAMPLES OF CELLS
Blood CellMuscle Cell
Plant Epidermal Cell
www.turbosquid.com
dept.kent.edu/projects/cell/TM2.JPG
http://plantpath.ifas.ufl.edu
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∗ Made up of many cells → (hint! Look for nuclei!)
∗ A group of cells that work together to perform a
specific job.
∗ Examples: Blood, muscle, and fat.
2. Tissues
2trc.ucdavis.edu
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Examples of Tissue
Blood ?!
Kidney tissue
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∗ Two or more tissues working together to perform a
specific job.
∗ Examples: stomach, intestines, heart.
3. Organs
3
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Examples of Organs
a leaf
The Heart
In a plant:
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Examples of Organs
Skin!
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∗ A group of organs working together to perform a
specific job.
∗ If one part of the system fails, it has an effect on
the whole system.
∗ What would happen if your stomach stopped
working?
4. Organ Systems
4
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∗ BONES
∗ What are some of the
functions of the skeletal
system?
∗ Protection
∗ Storage of minerals
∗ Movement
∗ Blood cell formation
Skeletal System
*http://www.stpeters.k12.nf.ca/skel.jpg
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∗ MUSCLES
∗ What are some things our
muscles do?
∗ Holds you upright
∗ Assist in breathing
∗ Helps you to move
Muscular System
http://www.criticalbench.com/images/muscular-system.jpg
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∗ SKIN, HAIR, NAILS
∗ Protects the interior of the
body
∗ First barrier of defense
∗ Helps regulate temperature
∗ Insulates
∗ Absorbs shock
Integumentary System
www.pinterest.com
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∗ HEART, VEINS, ARTERIES AND
BLOOD.
∗ Stops bleeding (platelets)
∗ Fights off germs (white blood cells)
∗ Transports materials, like oxygen, to
and from the cells
Circulatory System
health.enotes.com
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∗ MOUTH, TRACHEA,
LUNGS
∗ Allows the body to obtain
and use oxygen
∗ It also gets rid of carbon
dioxide (CO2)
Respiratory System
lungdiseases.about.com
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∗ MOUTH, ESOPHAGUS,
STOMACH, SMALL INTESTINE,
LARGE INTESTINE, LIVER,
PANCREAS
∗ Digests food into small
particles to be used by the
body.
Digestive System
www.teachnet.ie
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∗ BRAIN AND NERVES
∗ Controls and coordinates many
things in the body.
∗ Collects and processes information.
Nervous System
www.ama-assn.org
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∗ KIDNEYS, URETER, BLADDER,
URETHRA, SKIN
∗ Removes wastes from the body
that are produced during
homeostasis in the body.
∗ Includes the skin and sweat
production
Excretory System
www.ama-assn.org
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∗ HYPOTHALAMUS, PINEAL,
PITUITARY, THYROID,
ADRENAL, PANCREAS,
OVARY, TESTIS
∗ Endocrine glands release
hormones into the blood stream
as they are needed.
∗ For example, pituitary hormones
regulate growth of the skeleton.
Endocrine System
www. hubpages.com
hubpages.com
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∗ ADENOIDS, TONSILS, LYMPH
NODES, SPLEEN, APPENDIX,
BONE MARROW
∗ Protects the organism from
outside threats (e.g. bacteria,
viruses, etc.)
∗ Assists the body in fighting of
disease and infections.
Immune System
lipas.uwasa.fi
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∗ LYMPH VESSELS, LYMPH
NODES, TONSILS, THYMUS,
SPLEEN
∗ Transports clean fluids back to
the blood
∗ Drains excess fluids from tissues
∗ Removes “debris” from cells of
body
∗ Transports fats from digestive
system
Lymphatic System
www.medicinenet.com
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∗ Produce haploid cells.
∗ Include parts of the body that are
responsible for the continuation
of the human species.
Reproductive System
lipas.uwasa.fi
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∗ Anything that can live on its own.
∗ Are made up of at least 1 cell.
∗ Examples: rabbit, bacteria, pine tree
5. Organism
5www.bunny-rabbits.com
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Quick Quiz!
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1-5. What are the 5 levels of organization (simplest to most
complex)?
12
3
4
5
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6. What level is this in?
(write the name of the level)
AN EGG
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7. What level of organization is
this?
www.uoguelph.ca
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8. (The hippo)
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9. What level of organization is
this?
www.marymount.k12.ny.us
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10. Kidney
www.umm.edu
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BONUS!
www.321site.com
A single root.