Cardiovascular Body System

By: Holly Nyquist

Functions:

1. Transportation

~Oxygen and Carbon Dioxide

~Nutrients

~Hormones

2. Regulates body temperature by distributing heat throughout the body and by assisting in retaining/releasing heat from the body

3. Some cells help with the body's immunity

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Major Organs

1. Heart

2. Blood Vessels

~Arteries: vessels carrying blood away from the heart

~Veins: vessels carrying blood towards the heart

~Capillaries: tiny vessels that connect arterioles and venules

3. Blood Cells

~Red Blood Cells: transports oxygen from the lungs to the cells of the body

~White Blood Cells: destroys bacteria/viruses and fight malignant diseases

~Platelets: aids in the blood clotting process (blocks the blood flow from damaged blood vessels)

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Homeostatic Imbalances

The New CPR

Studies have shown that during CPR, medical professionals and other helpers should not breath for the patient and instead just compress down on the chest to keep the heart beating. These current changes only apply to adult patients when they are going through cardiac arrest. This is because there is enough oxygen in the blood stream so the patient needs the heart to beat more than the body needs oxygen. It has proven to be harmful to the patient to stop and do breaths because the rescuer stops the compressions. The new guidelines are to have faster and harder compressions to the patient. This new process is call CCR instead of CPR.

~http://www.cnn.com/2010/HEALTH/10/18/c