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Zander Richens

on 16 January 2013

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Transcript of THE HUMAN BODY

The human body is amazing, how can you walk or run with no electricity. And that's what I'm going to tell you in this presentation. Systems: The human body would be nothing without its body systems. Each body has its part in making the human. Without one of the 10 systems that we have we would die instantly... except the reproductive system. Skeletal System Muscular System Nervous System Endocrine System Immune System Respiratory System Cardiovascular system Urinary System Reproductive System Digestive System Skeletal System:
The Skeleton is the frame work on witch the rest of the body is built.
Without the skeletal system we would be a big blob. Look at the difference of the Human
skeletal system and these animals. (Girls) Muscular System:
About half of your body's
weight is in muscle.The skeletal system and muscular system make the energy to move make hard hand movements and even speak.
There are three types of muscles:
1.Smooth muscles
2.Cardiac muscles
3.Skeletal or voluntary muscles http://kidshealth.org/kid/ How The Body Works Bibliography Smooth Muscles:
Another name for a smooth
muscle is involuntary they
work even if you're not trying. Smooth muscles are located in your:
3. Bladder
4. And other hallow organs
These are the muscles keep you from peeing when your not in the bathroom. Cardiac muscles:
This muscle also works with you not even trying just like the smooth or involuntary muscle. Also this muscle includes the heart muscle. The heart muscle is also known as the myocardial muscle. This muscle squeezes and releases and pumps blood. Skeletal muscles:
Skeletal muscles are also another type of voluntary muscle. You decide when and how to move these. They are attached to your bones with tendons. Skeletal muscles are controlled by these parts of the brain:
1.cerebral motor cortex
And also by the spinal cord. Bones:
There are more then
206 bones in the body
half on them are in your hands and feet. Bones protect your important organs. The femur is
2ft long if you are a tall adult. Almost all bones meet at joints. FUN FACTS:
1. It takes 20 muscles to
smile and over 40 to frown.There are 60 muscles in the face.

2. The smallest bone in the body is the stirrup in the ear.

3. The circulation in the body is 90,000 miles (150,000 km) long.

4. Say "bathroom reader." You just used 72 muscles.

5. Take a step: You've just used 200 muscles.

6. Within a tiny droplet of blood, There are some 5 million red blood cells, 300,000 platelets and 10,000 white blood cells.

7. In one day, your blood will travel nearly 12,000 miles!

8. About 2 million blood cells die in the human body every second, And the same number are born each second. Nervous System Part 1:
The nervous system
controls every thing you do like:
1. walking
2. breathing
3. and thinking
without the nervous you could not write a story pick up a ball and yell out loud. The nervous system is made with your nerves, brain, and spinal cord. Nervous System Part 2
The Brain:
The brain is practically the control system of your body.
A typical brain weighs about 3 pounds. Billions of nerve cells are in the brain. The brain is the most complex structure know. Here are some of the most important parts of the brain:
1. Cerebrum makes you move, think, and speak.
2. Cerebellum controls coordination and balance.
3. Thalamus carry messages from your ear, tongue, and skin.
4. Brain stem controls your breathing, heart beat, digestion. Also the brain stem connects your brain to the spinal cord. The spinal cord is were messages from the body travel to the brain and back again that can travel up to 2oo miles per hour! Endocrine System:
Glands are small organs located through out your body
in substances called hormones. Those hormones create the endocrine system. Also those hormones tell your cells what do do and when they do that they make your bones grow. Each gland has its special purpose. Immune System:
The immune systems defense system helps provide vital protection against infections diseases. White blood cells, also called leukocytes , are part of this defense system. There are two basic types of these germ-fighting cells:

1. Phagocytes, which chew up invading germs.
2.Lymphocytes, which allow the body to remember and recognize previous invaders. This is a white blood cells Your lungs make up one of the largest organs in your body, and they work with your respiratory system to allow you to take in fresh air, get rid of stale air, and even talk. Respiratory System

On the outside, lungs are pink and a bit squishy, like a sponge. But the inside contains the real lowdown on the lungs. At the bottom of the trachea, or windpipe, there are two large tubes. These tubes are called the main stem bronchi, and one heads left into the left lung, while the other heads right into the right lung. Urinary System:
The main parts of the
Urinary system are:
1. Kidneys
2. Ureters
3. Bladder
4. Urethra
The kidneys filter blood and removes waste producing a liquid called urine (pee). Each kidney has millions of urine-making units called nephrons that filters the blood that flows through the kidneys. Urine is carried by two thin tubes called ureters down to the bladder. When the bladder fills up, its time to go to the bathroom. Then the urine is released through a tube called the urethra. In the human reproductive process, two kinds of sex cells, or gametes, are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system to create a new person. Both the male and female reproductive systems are essential for reproduction. Reproductive System Male sperm cell Female egg cell Cardiovascular System The heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues. With each heartbeat, blood is sent throughout our bodies, carrying oxygen and nutrients to all of our cells.

Body Basics: Heart

Every day, the approximately 10 pints (5 liters) of blood in your body travel many times through about 60,000 miles (96,560 kilometers) of blood vessels that branch and cross, linking the cells of our organs and body parts. From the hard-working heart, to our thickest arteries, to capillaries so thin that they can only be seen through a microscope, the cardiovascular system is our body's lifeline. Food is the body's fuel source. The nutrients in food give the body's cells the energy and other substances they need to operate. But before food can do any of these things, it has to be digested into small pieces the body can absorb and use.

Almost all animals have a tube-type digestive system in which food enters the mouth, passes through a long tube, and exits as feces (poop) through the anus. The smooth muscle in the walls of the tube-shaped digestive organs rhythmically and efficiently moves the food through the system, where it is broken down into tiny absorbed nutrients. Digestive System Resources
1. DK The Human Body
2. Prezi
5. Uncle Johns Bathroom Reader
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