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CIRCULATORY SYSTEM

CIRCULATORY SYSTEM. By Aaron Jalca Information from Britannica, Brainpop, and Kids Health. Brought to you by Destiny.OCPS.com. Forward.

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CIRCULATORY SYSTEM

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  1. CIRCULATORY SYSTEM By Aaron Jalca Information from Britannica, Brainpop, and Kids Health. Brought to you by Destiny.OCPS.com

  2. Forward • In this PowerPoint presentation, you will learn about five different questions, all about the Circulatory System. The questions are: What functions does the Circulatory System have? How does the Circulatory System interact with the other systems? What are some disorders/diseases of the Circulatory System? And lastly, What are the parts of the Circulatory System and their functions? • You will also learn about some new vocabulary.

  3. What is the Function of the Circulatory System? • Your body needs nutrients, oxygen, and other things to keep it alive and running. It also needs to get rid of waste. Your Circulatory System takes care of that. It acts as a transportation system such as a train, plane, or bus does for a town. • The blood circulates through your body from your heart collecting oxygen, nutrients, proteins, and other things to give to your other organs. It also collects waste to be dump off at the kidneys. The blood goes through blood vessels, such as veins. The blood cells bring things vital for survival to your cells.

  4. How Does the Circulatory System Interact with Other Body Systems? • RESPIRATORY SYSTEM: The blood pumps into the lungs (this is called pulmonary circulation) The blood drops off carbon dioxide (so we can breathe out) and collects oxygen (to share with other cells). • ALL SYSTEMS: The blood drops off nutrients and absorbs waste and carbon dioxide to bring to the lungs (systematic circulation). • URINARY SYSTEM: As the blood circulates, it gives all the solid waste to the kidneys (systematic circulation).

  5. What are Some Diseases/Disorders of the Circulatory System? • SICKLE CELL ANEMIA: caused by an abnormal type of hemoglobin (protein). This type is called hemoglobin S. The odd hemoglobin stacks and creates sickle-shaped blood (hence Sickle Cell Anemia) This is normally fixed when the cell is re-oxygenated. If it doesn’t, the sickle cell might get stuck in small blood vessels and cut off circulation. • BLOOD CLOT: caused by overeating. Cholesterol rises and so does waste and body fat. The blood becomes too big (a clot) and may cut off circulation. • LEUKEMIA: white blood cells defend the body from germs, viruses, and bacteria. When they become cancerous, they can no longer do that. Leukemia comes from the tissues where white blood cells are made. Leukemia is a cancerous white blood cell. When huge amounts gather in a part of the body, they interfere with the production of red blood cells, the ones that bring us oxygen and nutrients. Right is the normal cell, left is the sickle cell. Blood clot forming. Leukemia cells.

  6. Parts/Organs of the Circulatory System • In the next two slides, we will talk about parts of the Circulatory System and their functions. • PARTS: • HEART • ARTERIES/VEINS/CAPILLARIES • BLOOD (WHITE,RED AND PLATETES)

  7. What are the Functions of These Parts? • Your heart pumps blood through the veins and arteries (also capillaries). Your heart has two parts the top part called the atria and the second, bottom parts are the ventricles. The atrium (atrium is the non-plural form of atria) fills with returning blood. There is a left and right atrium. The ventricles squirt blood out of the heart into your body and lungs. In the middle of your heart is a thick muscle called the septum. It divides left from right. The four parts (atria and ventricles) work together to collect blood, and then pump it out. • The blood comes out of the heart through arteries. The arteries extend out through the body gathering waste and giving away oxygen. Then veins protrude from the arteries (they have the same job), then the capillaries multiply out into the rest of your body. • White blood cells defend against diseases and bacteria. Red blood cells carry oxygen, waste, and carbon dioxide. Platelets create scabs by preventing blood flow to go out of the body. Heart Veins and arteries

  8. Vocabulary for You to Know: • HEART: A hollow pump-like organ that circulates blood through your arteries, veins, and capillaries through your body • ARTERY: The largest of the vessels that circulate blood through your body • VEIN: The second largest of the vessels that circulate blood though your body • CAPILLARY: The smallest of the vessels that circulate blood through your bodyCIRCULATE: To move through a circuit or circle out and then backSYSTEMATIC: Having or involving a system or method; a continuing system or method • CANCEROUS: Pertaining to cancer

  9. THE END!!

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