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Body Systems
Anna Brandt
Mr. Shreve
Mrs. Quigley
My Body PowerPoint
The Skeletal
There are four basic types of bones: your long, short, flat, and irregular. The long
bones are the ones in your arms and your legs. They are narrow and have large ends.
These bones support your body. The short bones, which are in your wrists and ankles,
are chunky and wide. They allow you maximum movement around a joint. Flat bones
are like the ones in your skull and ribs. They help protect your body. The last kind of
bones are the irregular bones, like your vertebrae. They have unique shapes that fall
outside of the other categories.
5th grade science book
The skeletal system gives your body its shape. Without your
bones, you would not be able to stand upright. It also provides
protection for your lungs, heart, and brain. The average adult
human has about 206 bones because you may have been born
with more or less toes or fingers etc. Human bones are made up
of calcium which is why it is important to keep calcium in your diet.
It is important so that you can keep your bones nice and healthy.
Drink milk to
keep your
bones strong!
There are three types of muscles. The first one is skeletal
muscles, they are the muscles that make your body move.
Another one is your smooth muscles, they contract and relax
the food that goes in to your digestive system. The last but not
least one is your cardiac muscles, they pump blood through
Try to get 30 to your circulatory system.
60 min. of
5 grade science book
exercise a day
to work your
Your muscles help protect the organs in your abdominal cavity. Your muscles provide
motion so that you can do things. Without them, you would not be able to pick up things,
walk/run, throw, or jump etc. These muscles are very useful.
The Skin
Did you know that the skin is your largest organ? It provides your body with a tough
protective covering and it protects you from disease. It also produces sweat that helps
you control your body’s temperature. As your sweat evaporates, it helps cool off your
5th grade science book
Your skin is an organ and it is the largest organ of your
body. Your skin protects you from infections. It also helps
regulate your body temperature. Your skin is always
regenerating itself. The skin is covered in hair.
Wear sunscreen
when out in the
Your nervous system does a lot of things for you. It controls your breathing and it
also allows you to touch the world and also see, hear, taste, and smell it. Your spinal
cord is made of your brain, nerves, and your spinal cord. Your brain allows you to learn
remember and feel emotions, like happiness, sadness, etc.
5th grade science book
Your nervous system’s job is to control all body functions. There
are two systems. The first system is your autonomic system and
your second system is your sensory system. Your brain is like the
boss of the nervous system. The nerves also communicate with
small electrical impulses.
Never mix up
or take to
much of
Your digestive system works on breaking down all of the food that you eat. It
begins in your mouth and it chews your food then mixed with saliva and then it gets
swallowed. Then it goes to your small intestine were the food is mixed with bile and liver.
Then as the food moves through your small intestine it is absorbed by villi.
5th grade science book
Your digestive system begins with your mouth and ends in
your rectum. Digestion is the process were food is broken
down and absorbed into your body. The process has about
seven steps.
1) goes from mouth to esophagus
2) goes to your stomach
3) goes to small intestate
4) goes to large intestate
5) goes to colin
6) goes to rectum
To keep
strong don’t
The circulatory system mainly includes your heart, blood, and blood vessels.
The circulatory system passes nutrients to help fight diseases. It also helps to
stabilize your body temperature. There are two kinds of things that pass through
your circulatory system, they are blood and lymph.
Your circulatory system’s job is to fight diseases that are in
your body. Your circulatory system is an organ system. It
passes nutrients to help fight diseases. The main contents to
the circulatory system are the heart, blood, and blood vessels.
Get lots of
sleep to keep
your circulatory
system strong!
The respiratory system allows gas exchange through the
entire body. The human respiratory system includes
airways, lungs, and the respiratory system’s muscles. In
other animals like insects, their respiratory system has very
simple features.
Say “NO”
The respiratory system’s job is to transport oxygen into your bloodstream
and removes carbon dioxide. It begins with your mouth or nose. The oxygen
from the air you breath goes to the lungs were it is transferred to your blood.
When you exhale, the carbon dioxide leaves your lungs.
Your heart is a muscle and it pumps blood all throughout your body. If you
are a child it pumps blood about 90 times a minute and if you are an adult it
does that about 70 times. There are two sides to your heart . The left side
gets blood from your lungs and pumps it all around your body. The right side
gets the blood after it has been all around your body and then it sends it back
to your lungs for some more oxygen.
Your heart is the most important muscle in your body. Its
job is to pump blood throughout the body. It is divided into
four chambers. The first chamber receives non
oxygenated blood from your body and pumps it to the
second chamber. The second chamber pumps the blood
to the lungs were it receives oxygen. It returns to the third
chamber were it is pumped into the fourth. The fourth
chamber, the strongest chamber, pumps it into your
arteries which transports it throughout your body.
Eat healthy
foods to
keep your
Autonomic- the ability to function by itself
Capillaries- the linking or connection between arteries and veins
Rectum- it is the last section of your large intestine
Regenerating- recreating
Sensory- it is an adjective pertaining to the senses or sensation