Ch.12,13,14 Word Scramble
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Term | Definition |
Cardiovascular System | Consists of the heart, blood vessels, and blood. |
Functions of Cardiovascular System | Pumps blood through blood vessels. Transport blood from heart to arteries. Exchanges at the capillaries. Regulate blood flow. |
Types of Blood Vessels (Large to Small) | Arteries Arterioles Capillaries Venules Vein |
Arteries | Carry blood away from the heart. |
Arterioles | Small branches of arteries, that can contract to change the amount of blood flowing through them and the blood pressure. |
Capillaries | The smallest blood vessels. They branch from the arterioles. One layer epithelial cells. |
Venules | Small veins that drain blood from capillaries. |
Veins | Carry blood to the heart. The walls have valves that prevent backflow. |
Normal Blood Pressure | 120 (Systolic) ----------------------- 80 (Diastolic) |
Myocardium | The major portion of the heart. Consists of cardiac muscle and tissue. |
Pericardium | A thick , membranous sac that supports and protects the heart. |
Septum | A wall that divides the heart into left and right halves. |
Atrium | Upper Chamber of the Heart. |
Ventricle | Lower Chamber of the Heart. |
Blood Pressure | The pressure of blood against the wall of a blood vessel. |
Aneurysm | A ballooning of an artery due to the weakening of the artery possibly caused by hypertension or atherosclerosis. |
Hypertension | High Blood Pressure. |
Lymphatic System | Consists of Lymphatic vessels and organs. |
Functions of the Lymphatic System | Absorb excess tissue fluids and return to bloodstream. Absorb fats and transport to the bloodstream. Responsible for Production, Maintenance, Distribution of Lymphocytes. Defends body against pathogens. |
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Kwoodward426
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