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Circulatory System

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erin malfait

on 21 January 2014

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Transcript of Circulatory System

Finds germs and kills infections
Circulatory System

How much blood is in the average adults body?
An average size adult has a blood volume of about 5 liters.
From a blood cell's point of view tell a story about its travel's through the human body.
The blood comes in from the lungs and goes into the left atrium, after that it goes the left ventricle. The blood comes out of the left vertical to the aorta and goes all over the body, then back to the right side of the heart.

What does each side of your heart do? Label a diagram of the heart and its major parts. In your diagram, place arrows indicating the flow of the blood through the heart.
-The left side of the heart sends oxygen-rich blood from the left ventricle throughout the body.
-The left side is thicker than the right side and it is also known as the left atrium or the left ventricle.
-The right atrium pumps deoxygenated blood (blood which is lacking in oxygen) to the right ventricle then the right ventricle pumps the blood to the lungs where it is filled with oxygen then the blood returns to the left side of the heart.
Explain your circulatory system. Where is the heart located in your body? What does it do? Explain how blood travels through your body. Make sure to tell about the difference between veins and arteries.
-The circulatory system is the body system that brings blood to the body.
-The heart is located just behind and slightly left of the breastbone.
-The heart's job is to bring in the blood from the body and oxygenate it and gets rid of waste and pumps it to and from your lungs.
-Arteries carry blood away from the heart, carry oxygenated blood, have no valves, thick outer walls, thick inner layer of muscle. Veins carries blood into the heart, carries deoxygenated blood, has valves, thin outer walls, thin inner layer.
What happens when you lose different amounts of blood?
-The loss of a small amount of blood has almost no medical consequences.
A healthy human can lose 10-15% of their total blood volume with no serious side effects.
-The process of making a blood donation typically involves the loss of 8-10% of a person's blood.
-Losing more than 40% of the total body blood volume is considered life threatening.
Why are blood cells red?
In red blood cells a protein called hemoglobin is found. They carry oxygen and remove the carbon dioxide from your body to the lungs so you can exhale it.
Blood Is Made Up of 4 Parts..
Red Blood Cells
Carry oxygen to lungs and takes carbon dioxide waste away
Pieces of cells that work together to form blood clots. They work to keep your body from losing to much blood.
A straw colored liquid that carries the cells and platelets. Also contains, proteins, minerals and vitamins.
White Blood Cells
Red blood cells, white blood cells, plasma and platelets
How is the circulatory system affected by drinking alcohol or using tobacco products?
Smoking has many effects on the circulatory system; it raises heart rate and blood pressure. Smoking causes blood to clot, reduces oxygen levels in the blood, and there is less blood flow to the extremities. Smoking also causes damage to arterial lining.

Binge drinking is not safe for your heart, but moderate drinking of wine is known to benefit your heart.
·Find germs
·Kill infections
·Eat foreign things in your body
·The two main ones are lymphocytes and macrophages
·There are between 4,300-10,800 white blood cells present per microliter of blood.
White Blood Cells
·Carry oxygen or food to your lungs
·Takes carbon dioxide and waste away
·Typically live for about 120 days
·Contains haemoglobin, a molecule designed to hold and carry oxygen
·Can change shape without breaking as it squeezes single file through capillaries
Red Blood Cells
- Don't smoke or use tobacco
- Try to exercise for at least 30 minutes each day
- Eat a heart healthy diet
- Maintain a healthy weight
- Get regular health screenings
What Do You Need To Do To Keep Your Heart Healthy?
By: Erin, Cole and Shanelle
Facts about the Heart

10 Facts
If you put your circulatory system on a straight line, it is actually long enough to orbit the earth two and a half times.
The heart beats around 3,000,000,000 (3 billion times) in the average person's life.
About 8 million blood cells die in the human body every second, and the same number are born each second.
Inside a tiny droplet of blood, there are around 5 million red blood cells and up to 7,000 to 25,000 white blood cells.
Blood that is high and rich in oxygen is a bright, healthy red, while, blood that is poor in oxygen is a dull red.
The reason why red blood cells are red is because they contain a protein chemical called hemoglobin which is bright red in color
The body's circulatory system has three different parts: pulmonary circulation, the lungs, coronary circulation, the heart, and systemic circulation, the system.


More than 1.1 million Americans have heart attacks each year
85 women are twice as likely to have a heart attack than men.
1 of 3 americans who have heart attack don't survive.


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