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©2016 Mrs. J’s Place
Skeletal System
Your skeleton is responsible for several different functions:
• It helps your body move• It supports your body, and gives it shape.• It protects your internal organs, like
your brain, heart, and lungs.• It stores substances that are important
to your body.• It makes red blood cells that fight germs.
Muscular System
Your muscles also have a lot of responsibilities: • They are responsible for every move your body
makes. • Muscles move your bones.• Muscles make your heart beat.• They make you breathe.• Even speaking, digestion, and the
pupils of your eyes are controlled by muscles.
Skeletal & Muscular System Review
So let's review what we have learned so far!
• What is the skeleton responsible for in the human body?
• What are muscles responsible for in the human body?
• How are these two organs alike?
Organs and their Functions
Organs for Waste Removal: Skin
Organs and their Functions
These organs are responsible for helping run our entire body and everything in it!
Today we are going to talk about the command center organs.
Organs and their Functions
Command Center Organs: Heart
Your heart is located in your chest beneath your rib cage and is about the size of your fist.
It pumps blood through your blood vessels to all parts of your body.
Without it, nothing in your body would be able to function.
Organs and their Functions
Command Center Organs: Heart
Organs and their Functions
Organs for Digestion:
These organs are responsible for digesting food in your body.
Digestion is the process your body goes through to break down foodinto nutrients that your body needs.
Organs and their Functions
Organs for Digestion: Stomach
When you eat food, it goes from your mouth, through the esophagus, and into your stomach.
The muscles in your stomach crushes the food and then release stomach acid to further break down food.
Organs and their Functions
Organs for Digestion: Stomach
Organs and their Functions
Organs for Digestion: Liver
Cleans the blood coming from the digestive organs and changes food into forms that can stored.
Your liver makes a digestive juice called bile. Bile neutralizes stomach acid.
Organs and their Functions
Organs for Digestion: Pancreas
Your pancreas releases chemicals that break down food into the small intestines.
It produces insulin that is used to break down sugar.
Organs and their Functions
Organs for Digestion: Liver and Pancreas
Organs and their Functions
Organs for Digestion: Small Intestine
The small intestine uses the digestive juices from the liver and pancreas and finishes digesting the food.
Nutrients from this digested food move into your blood.
Materials that your body does not need are moved into your large intestine.
Organs and their Functions
Organs for Digestion: Small Intestine
Organs and their Functions
Organs for Digestion: Large Intestine
Your large intestine removes water from the material sent by your small intestine.
The water moves into your blood.
The solid wastes move into your rectum, and out of your body.
Organs and their Functions
Organs for Digestion: Large Intestine
Organs and their Functions
Now let’s move onto the next system of organs: Organs for Waste Removal
These organs are responsible for removing excess water, waste material, and harmful substances from the body.
Organs and their Functions
Organs for Waste Removal: Kidneys
The kidneys filter harmful things out of your blood. Wastes carried in your blood collect in the kidneys and form urine.
The urine is then sent to the bladder.
Organs and their Functions
Organs for Waste Removal: Bladder
The waste, or urine, your kidneys send out is sent to your bladder.
Your bladder collects and stores urine until you are ready to release it.
Organs and their Functions
Organs for Waste Removal: Kidneys and Bladder
Organs and their FunctionsOrgans for Waste Removal: Lungs
Your blood travels through blood vessels, to your lungs.
The carbon dioxide and water leave the blood and enter your lungs.
The liquid water changes to water vapor.
Every time you breathe out, carbon dioxide gas and water vapor leave your body.
Organs and their Functions
Organs for Waste Removal: Lungs