Transcript The human body system

THE HUMAN BODY SYSTEM
Justin Glover
THE SKELETAL SYSTEM
The skeletal system is made up of many bones. The
main bone is your spine. It allows you to bind
over and pick up something. There are also the
hand bone the foot bone and more. All the bones
help you do stuff like walking and they also
support your body. The longest bone in your body
is the femur. Did you know that your bones are
filled with a fatty substance called bone marrow.
In the bone marrow the red and white blood cells
are manufactured then released into the blood
stream. And over half of the bones in your body
are hand and feet bones and that your bones stop
growing at age 16 for girls and age18 for boys.
THE DIGESTIVE SYSTEM
The function of the digestive system is that it helps
digest the food that you eat. We digest all the
food we eat we even drinks. The digestive system
is made up of many things like the stomach. It
takes several hours to digest all the things you
eat.
THE RESPIRATORY SYSTEM
The respiratory system is you lungs your heart
your nasal passages the oral cavity the pharynx
the larynx trachea the bronchi the lung the heart
and last the ribs. If you don’t have your
respiratory system you will stop breathing. Your
respiratory system will get old while you age.
Your respiratory system will get weaker if you
smoke or if someone next to you is smoking.
THE CIRCULATORY SYSTEM
The circulatory system is made up of your heart
and a whole bunch of blood vessels and veins. It
helps pump blood into your body. Inside that
blood is red and white blood cells, oxygen and
nutrients that will help you live for along time.
NERVOUS SYSTEM
The nervous system is your brain and your brain is
what lets you know and do things with your body.
You need your brain or you will not know
anything and you will not be able to do anything.
You may think that your brain is a computer
because it sends everything to your micelles so
that you are able to do things.
REFERENCES
http://yucky.discovery.com/noflash/body/pg
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