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The Circulatory System & its components 

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The Circulatory System & its components 

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The cardiovascular and lymphatic systems are the two parts of the circulatory system. In other words, the organs that transport fluid, such as the heart and blood arteries. The components of this system are the blood vessels, the heart, and the blood. The blood vessels include the capillaries, veins, and arteries that allow blood to be pumped into your heart. All three of these components work together to help the body survive by ensuring all blood flow nourishes our cells.

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The system collaborated with other bodily systems to preserve homeostasis, or the balance of the body's internal environment. In order to maintain homeostasis, the system makes sure that blood flows through the heart and blood arteries, carrying nutrition, oxygen, and antibodies to our body's cells. This system not only maintains and feeds the cells we require, but it also eliminates and transports the cells we do not require.

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Congestive Heart Failure (CHF): Breathlessness, weakness, and edema in the lower extremity of the body. It's characterized as the heart's inability to perform as quickly as the heart's work is demanded.

Hypertension: Hyper means above normal, and Hypo means below normal. When a person over 18 has blood pressure that is higher than the typical range of 120/80 mm Hg, it is referred to as hypertension.

Angina Pectoris: Intense chest pain that causes construction of the heart that is caused by inadequate supply of blood to the heart.

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An electrocardiogram, also called an ECG, essentially records an individual's heartbeat to ensure that there are no abnormalities such as heart murmurs or the diseases discussed in the previous slide. An ECG can be used as a stress test to test and record the heart's function as it's exposed to anxiety or tension, as this will reveal any skips or bumps in the rhythm.

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1. The prefix peri- means...

a. Inside

b. heart

c. around

d. muscle

2. If one's blood pressure is 90/60, they likely have _____tension

3. What drugs are prescribed to lower cholesterol levels?

a. Antilipidemic

b. Vasodialators

c. Aspirin

d. Diuretics

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If one finds themselves having to undergo surgery on their heart or major blood vessels, a Cardiopulmonary bypass will likely be used. This method is used to temporarily divert blood away from the heart and lungs so that surgery can be performed on the vessels and heart. A heart-lung machine, commonly known as a cardiopulmonary bypass, gathers blood, re-oxygenates it, and then returns it to the body.