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The Circulatory System
Transcript of The Circulatory System
& Faith McQuiston The Circulatory System The Heart Capillaries Fun Facts Veins Arteries Function Fun Facts Organs Function Fun Facts Functions Fun Facts The Heart
Arteries The average heart beats 72 times a minute, 100,000 times a day,3,600,000 a year, and 2.5 billion times a lifetime Works Cited Relation to Circulatory System Fun Facts Function Lymphatic System http://answers.yahoo.com/queston/index?qid=20080207125144AA2rDHH
http://www.houseandhome.org/capillary-facts Functions Functions Fun Facts The purpose of the lymphatic system is to produce lymph (white blod cells and fluid from intestines called chyle, protein & fat) and transport from tissues to the bloodstream. The lymphatic system is your body's sewer, the network of pipes that drains waste from the cells. The two systems both work together to transport substances through the body. Portions of the blood help create lymph, and lymph removes wasteful blood cells from the body. A kitchen faucet would need to turned on all the way for at least 45 years to equal the amount of blood pumped by the heart in a average lifetime. The circulatory system is like the highway, and the blood cells are like the cars The capillaries are the smallest blood vessels and are only visible under a microscope
There are over 10 billion capillaries in your body
The walls of the capillaries are only one cell thick Pulmonary Veins are the only veins that carry oxygenated blood
The flow of blood through the veins often occurs against gravity
*Exercise can help push blood throgh your viens
Pulmonary arteries are opposite of Pulmonary veins
Blood flows through arteries at 30cm per second The Heart's main function is to pump blood through the circulatory system
The heart is hollow, and holds both oxygenated and deoxygenated blood
The heart consists of four chambers called the right and left atria and the right and left ventricle
the heart recieves oxegen poor blood from the vena cava
Oxegen rich blood flows to the body through the aorta Brings nutrients and oxygen to the tissues
Absorbtion carbon dioxide and other waste products
Connect arteries and viens Return blood to the heart once it has passed through the capillaries
The largest veins contain one-way valves that keep blood flowing toward the heart
Ex:Aortic valve, Mitral valve Except for pulmonary arteries, all arteries carry oxygen-rich blood
Pulmonary arteries carry deoxygenated blood to the lungs from the heart
Atery walls are thick and contain connective tissue, smooth muscle, and epithelial cells Circulation takes oxegenated blood from the heart, through the arteries to all parts of the body.
Deoxegenated blood is returned to the heart through the veins. The purpose of circulation is:
1. to carry oxegen and nutrients to body tissues
2. to remove carbon dioxide, other wastes and heat It takes a red blood cell approxametly 20 seconds to circle the entire body
Red blood cells are born in bone marrow
About 8 million red blood cells die in the body every second, and every second the same number is made "Capillaries." TeachPE. ND. Web. December 2012
"Lymphatic System Facts." House & Home. ND. Web.
"The Human Heart." Random Facts. 28 January 2010.
Web. December 2012
"Facts About Arteries." House & Home. ND. Web.
" 'Vein Facts.' " House & Home. ND. Web. December 2012
"Capillary Facts." House & Home. Nd. Web. December 2012 Without Your Circulatory System . . .