Lesson #1

Life is Cool
Lesson #1
Your Organs and Tissues
The Heart




Found on the left
side of the chest
A pump made of
four chambers
Pumps blood
throughout the body
Blood carries
oxygen to all the
cells of the body
The Heart
How Your Heart Works

http://www.pbs.org/wgbh/nova/eheart/hu
man.html
Lungs

One on each side of the
chest
 One left lung
 One right lung


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Take in oxygen and removes
carbon dioxide
Place where air exchange
happens
Exchanges gasses (oxygen
and carbon dioxide) in blood
Kidneys

One on each side of the body
toward the back

Main job is to filter the blood
 Phosphorus
 Sodium/Salt

Also help maintain body’s fluid
balance
 Excess salt causes kidneys to hold
onto extra fluid

Turns liquid waste into urine
Liver
· A large organ that has
3 lobes or sections
·Helps store and filter
the blood
·Makes bile and helps
digest fatty foods
Pancreas

Located behind the
stomach

Helps the body use
sugar by making
insulin

Helps digest food
Small Intestine

Runs from the end
of the stomach to
start of large
intestine

Completes food
digestion

Works to absorb
nutrients from food
Review

Name the main job of each of the
following organs:
 Heart
 Lungs
 Kidneys
 Liver
 Pancreas
 Small Intestine
References
http://www.pbs.org/wgbh/nova
 http://www.google.com/images
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