1. The Human Body
Trivia Game
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2. Did you Know??!!
When you sneeze all body functions stop, even your heart
Your brain is 80% water
A human has 60,000 miles of blood vessels in their body
The lining of your digestive system is shed every 3 days
More than half the bones in your body are found in your hands and feet
Everyone is colour blind at birth
1.7 litres of saliva is produced each day
About 8 million blood cells die in the human body every second, and the same number are born each second
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3. Body Systems: THE MUSCULAR SYSTEM THE SKELETAL SYSTEM
THE CIRCULATORY SYSTEM
THE DIGESTIVE SYSTEM
THE RESPIRATORY SYSTEM
THE SENSES
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4. THE MUSCULAR SYSTEM
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5. TRIVIA! How many muscles are there in the human body?
Answer: 640 Muscles
Muscles band together to form muscle groups which work together
When the muscles contract, they pull on the tendons which pull on the bones and cause our limbs to move
Muscles can be either voluntary or involuntary (consider your arm vs. your heart which beats 60 to 80 beats every minute without you having to think about it!)
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6. More TRIVIA! The longest muscle in the body is ___________
Answer- The Sartorius
The Sartorius runs from the outside of the hip, down and across to the inside of the knee. It twists and pulls the thigh outwards.
The smallest muscle in the body is __________
Answer- The Stapedius
The Stapedius is located deep in the ear. It is only 5mm long and thinner than cotton thread. It is involved in hearing.
The biggest muscle in the body is __________
Answer- The Gluteus Maximus
The Gluteus Maximus is located in the buttock. It pulls the leg backwards powerfully for walking and running.
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7. There are about 60 muscles in the face.
Smiling is easier than frowning.
It takes 20 muscles to smile and over 40 to frown.
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8. The Skeletal System
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9. TRIVIA! How many bones are there in the human body?
Answer: 206 Bones
When you were born, your skeleton had around 350 bones. By the time you become an adult, you will only have 206 bones. This is because, as you grow, some of the bones join together to form one bone.
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10. Inside a Bone-
Our bones are alive- they have their own nerves and blood vessels, and they do various jobs, such as storing body minerals.
A typical bone has an outer layer of hard or compact bone, which is very strong, dense and tough.
Inside this is a layer of spongy bone, which is like honeycomb, lighter and slightly flexible.
In the middle of some bones is jelly-called bone marrow, where new cells are constantly being produced for the blood.

11. The Skeleton-
The Skeleton is the name given to the collection of bones that holds the rest of our body up. Our skeleton is very important to us. It does three major jobs:
It protects our vital organs such as the brain, the heart and the lungs.
It gives us the shape that we have. Without our skeleton, we would just be a blob of blood and tissue on the floor.
It allows us to move. Because our muscles are attached to our bones, when our muscles move, they move the bones, and we move.
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12. Healthy Bones Most of the calcium in your body is stored in your bones
Exercise and a good diet help to keep bones strong
Vitamin D helps you absorb calcium so that your bones can stay strong
Sources of vitamin D include milk, salmon, cereal, beef and egg
When bones break they can heal themselves, and they are stronger when they heal than they were before they were
broken!
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13. TRIVIA! Who discovered the X-ray? ANSWER~
Wilhelm Roentgen, a physicist at the University of Wursburg, Germany, discovered radiation “X-rays” on November 8, This discovery altered the course of medicine.
Roentgen refused to patent his discovery or realize financial gain from it, preferring instead that the world benefit from his research.
Many fields have emerged in Diagnostic Imaging since Roentgen’s discovery. The science has expanded to include General Imaging, CT Scan,
Nuclear Medicine, Ultrasound and MR1
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14. Careers-
A Medical Radiologic Technologist works with a wide range of machines, film processing units, and accessory equipment to produce and record images for visualizing the extent of disease or injury to a patient.
A radiograph (X-ray) may be a routine film of the chest or a broken finger or it may form part of the sophisticated examinations used in the detection of heart, blood vessel, or brain abnormalities.
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15. Activity~
Check out and find out about the different programs offered at SAIT that focus on
General Imaging
CT Scan
MRI
Ultrasound
Nuclear Medicine
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16. The Professionals Medical Radiologic Technologist
TRIVIA! How many months for this diploma?
Answer: Medical Radiologic Technology is a 21 month diploma
Nuclear Medicine Technologist
TRIVIA! What are the employment statistics?
Answer: Graduates enjoyed a 100% employment rate
Diagnostic Medical Sonographer
TRIVIA! What are the education requirements?
Answer: A High School Diploma, with over 60% in English 30,
Bio 30, Math 30/31, Physics 30 and Chemistry 20.
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17. The Circulatory System
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18. Did you know?! The average person has 4-5 litres of blood
The blood is the transport system by which oxygen and nutrients reach the body's cells, and waste materials are carried away.
In addition, blood carries substances called hormones, which control body processes, and antibodies to fight invading germs.

19. TRIVIA! AWAY FROM TOWARDS
______________________________________________ Red blood cells carry oxygen from the lungs to all the cells of the body while White blood cells are like soldiers protecting the body. ______________________________________________
TRIVIA!
ARTERIES are vessels that carry blood ____________ the heart.
VEINS are vessels that carry blood _________ the heart.
AWAY FROM
TOWARDS

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21. The Heart Your heart is a muscle about the size of your clenched fist.
It is located in the left side of your chest, behind your rib cage and between your lungs
It has thick muscular walls and is divided into two pumps.
Blood from the right side pump is dark red (bluish) and low in oxygen.
This dark red blood travels along pulmonary arteries to the lungs where it receives fresh supplies of oxygen and becomes bright red.
The bright red blood then flows along pulmonary veins back to the heart's left side pump
Blood leaves the left side of the heart and travels through arteries which gradually divide into capillaries.
In the capillaries, food and oxygen are released to the body cells
The blood then travels in veins back to the right side of the heart, and the whole process begins again.
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22. The
Human
Heart
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23. Did You Know??!! Blood is a liquid organ
The heart beats around 3 billion times in the average person's life
Your blood pressure is the measure of the force of blood as it flows through the arteries of the cardiovascular system
Within a tiny droplet of blood, there are some 5 million red blood cells, platelets and white cells.
It takes about 20 seconds for a red blood cell to circle the whole body.
Microscopic View of Blood Cells

24. About how many red blood cells are there in one drop of blood?
TRIVIA!
About how many red blood cells are there in one drop of blood?
There are about 5,000,000 Red Blood Cells in ONE drop of blood.
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25. The Professionals Medical Laboratory Assistants
Collect, Prepare and process patient specimens
TRIVIA! What does phlebotomy mean?
Answer: Collecting Blood
Medical Laboratory Technologists
Responsible for a broad spectrum of lab testing and procedures to diagnose, treat and prevent disease
TRIVIA! This is Canada’s ___ largest group of health care professionals
Answer: They are Cananda’s 3rd Largest group of health care Professionals
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26. The Digestive System
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27. What have you EATEN today??
Food provides us with fuel to live, energy to work and play, and the raw materials to build new cells.
All the different varieties of food we eat are broken down by our digestive system and transported to every part of our body by our circulatory system.
We eat about 500kg of food A Year!
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28. The main part of the digestive system is the digestive tract.
This is like a long tube, some nine metres in total, through the middle of the body.
It starts at the mouth, where food and drink enter the body, and finishes at the anus, where leftover food and wastes leave the body
Every day 11.5 litres of digested food, liquids and digestive juices flow through the digestive system, but only 100mls is lost as waste.

29. The Mouth- Teeth bite off and chew food which mixes it with watery saliva, from 6 salivary glands around the mouth and face
The Oesophagus- A muscular tube that takes food from the mouth to the stomach.
Food moves through the oesophagus by a muscular movement know as _____________
This means that even if you stand on your head, food will still reach your stomach!
TRIVIA!
Peristalsis

30. The Stomach It takes about 20-30 hours to digest food completely
The stomach has a thick muscular wall that contracts to mash up the food
Stomach acids and enzymes begin to break down the nutrients in the food we eat, particularly the proteins
The liquefied contents of the stomach enter the small intestine for further processing
As the food is digested in the small intestine it is dissolved into the juices from the pancreas, liver, and intestine,
The contents of the intestine are mixed and pushed forward to allow further digestion and absorption of nutrients by the walls of the intestine.
The waste products of this process include undigested parts of the food, known as fiber, and older cells shed from the lining of the stomach and intestine.
These materials are propelled into the colon, where they remain, usually for a day or two, until the feces are expelled by a bowel movement.
It takes about hours to digest
food completely

31. The Respiratory System
The primary function of the respiratory system is to supply the blood with oxygen.
The respiratory system does this through breathing.
When we breathe, we inhale oxygen and exhale carbon dioxide.
When we inhale oxygen, it goes into our lungs and is absorbed by the blood stream

32. The Lungs-
Inside each of your sponge-like lungs, tubes, called bronchi, branch into even smaller tubes much like the branches of a tree. At the end of these tubes are millions of tiny bubbles or sacs called aleoli.
They exchange the oxygen for waste products, like carbon dioxide, which the cells in your body have made and can't use.
Once they receive the oxygen, red blood cells turn from purple to that beautiful red color as they start carrying the oxygen to all the cells in your body.
*The branching out of the aleoli creates more surface area which in turn allows for more oxygen to be absorbed.

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34. TRIVIA!
When we eat, a flap called the ________ -- flops down to cover the windpipe so that food doesn't go down the wrong tube.
ANSWER- ___________
epiglottis
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