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Cardiovascular System

Cardiovascular System. Andrea Wolberg Marteka Fair Courtney Whittington. What Is It?. The cardiovascular system is also known as the circulatory system It is an organ system that moves substances to and from cells. It can help stabilize body temperature. Cardio Types.

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Cardiovascular System

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  1. Cardiovascular System Andrea Wolberg Marteka Fair Courtney Whittington

  2. What Is It? • The cardiovascular system is also known as the circulatory system • It is an organ system that moves substances to and from cells. • It can help stabilize body temperature

  3. Cardio Types • There are three types to the cardiovascular system • No circulatory system, open circulatory system, and closed circulatory system.

  4. Open Circulatory System • The open circulatory system is an arrangement of internal transport present in some invertebrates.

  5. Closed Circulatory System • The closed circulatory system is when all vertebrates, and cephalopods are closed, meaning that the blood never leaves the system of blood vessels consisting of arteries, capillaries and veins. • Poorly oxygenated blood collects in two major veins: the superior vena cava and the inferior vena cava

  6. No Circulatory System • An example of organisms without circulatory systems are flatworms (phylum Platyhelminthes). • Their body cavity has no lining or fluid. They have a muscular pharynx leading to a digestive system. • Oxygen can diffuse from water into the cells of the flatworm. As a result every cell is able to obtain nutrients, water and oxygen without the need of a transport system.

  7. Diseases in the System • Coronary artery disease (including heart attack) • Abnormal heart rhythms or arrythmias • Heart failure • Heart valve disease • Congenital heart disease • Heart muscle disease (cardiomyopathy) • Pericardial disease • Aorta disease and Marfan syndrome • Vascular disease (blood vessel disease

  8. How Activity Benefits the System • Exercise pumps more blood through your veins. • This increases the size of your arteries, prevents fat from clogging your arteries and helps prevent blood clots. • A strong heart does not have to work so hard so you are less likely to have a heart attack. Regular exercise also increases your HDL (good) cholesterol and helps lower your total cholesterol. • Exercise also helps lower your blood pressure.

  9. History • The valves of the heart were discovered by a physician around the 4th century BC. • In 1242 the Arab scholar Ibn Nafis became the first person to accurately describe the process of blood circulation in the human body. • In 1552, Michael Servetus described the same, and Realdo Colombo proved the concept, but it remained largely unknown in Europe. • William Harvey performed a sequence of experiments and announced in 1628 the discovery of the human circulatory system.

  10. Cardiovascular Measurement Techniques • Electrocardiogram • Sphygmomanometer • Pulse meter • Stethoscope • Pulse

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