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PHS Unit 6, Part 2
Cardiovascular System
| Term | Definition |
|---|---|
| Right Atrium | chamber that receives oxygen-poor blood from the body |
| Mitral Valve | controls bloodflow between the left atrium and left ventricle |
| Left Ventricle | chamber that pumps oxygen-rich blood to the body |
| Vena Cava | inferior and superior blood vessels that receive oxygen-poor blood from the body |
| Pulmonary Veins | blood vessels that carry oxygen-rich blood from the lungs |
| Aortic Valve | controls bloodflow between the left ventricle and aorta |
| Pulmonary Arteries | blood vessels that carry oxygen-poor blood to the lungs |
| Tricuspid Valve | controls bloodflow between the right atrium and right ventricle |
| Pulmonary Valve | controls bloodflow between the right ventricle and pulmonary arteries |
| Left Atrium | chamber that receives oxygen-rich blood from the lungs |
| Lungs | organs of respiration |
| Right Ventricle | chamber that pumps oxygen-poor blood to the lungs |
| Aorta | blood vessel that carries oxygen-rich blood to be distributed throughout the body |
| Arteries | blood vessels that carry blood away from the heart |
| Veins | blood vessels that carry blood toward the heart |
| Coronary Arteries | blood vessels that supply the heart muscle with oxygen-rich blood |
| Capillaries | where the smallest arteries and the smallest veins exchange nutrient/waste products |
| Erythrocytes | (red blood cells) carry oxygen/nutrients or carbon dioxide/waste |
| Leukocytes | (white blood cells) fight infection |
| Thrombocytes | (platelets) help the blood to clot |
| Anemia | Inadequate number of red blood cells, hemoglobin, or both |
| Aneurysm | Saclike formation in the wall of an artery |
| Arteriosclerosis | Hardening or thickening of the arterial walls |
| Atherosclerosis | A fatty deposit on the walls of arteries |
| Embolus | foreign substance circulating in the blood vessels |
| Hemophilia | Disease characterized by failure of the blood to clot |
| Hypertension | High blood pressure |
| Leukemia | Malignant disease with large numbers of immature white blood cells |
| Myocardial Infarction (heart attack) | Blockage in the coronary arteries of the heart |
| Phlebitis | Inflammation of the veins with formation of a clot |
| Varicose veins | Dilated swollen veins |
| Pulse | pressure of blood pushing against the wall of an artery as the heart pumps |
| Pulse Sites | radial (wrist) and carotid (neck) |
| Blood Pressure | Measure of the pressure or force of the blood exerted on the walls of arteries while the heart is at rest and contracts |
| Systole | Pressure on the walls of arteries when the left ventricle contracts, pushing blood into the arteries (top number in blood pressure) |
| Diastole | Constant pressure when the heart is at rest (bottom number in blood pressure) |
| CPR | Cardiopulmonary Resuscitation |
| AED | Automated External Defibrillator |
| Pulse | Measures heart beats per minute by measuring the the number of times the blood pushing against the wall of an artery as the heart pumps |
| 2 places to take pulse | Radial and Carotid Arteries |
| Normal Pulse at rest | 60-100 beats per min |
| Normal blood pressure | 120/80 |
| Average amount of blood in an adults | 4-6 quartts (5 Liters) |
| Blood pressure is taken above which artery | Brachial Artery |
| During "hands only" CPR how many chest compressions per minute should be done? | 100 |
| Actions if see an adult or teen suddenly collapse | 1) tap shoulder and ask if ok, 2) call 911, 3) get AED (if available) 4) start chest compressions |
| During CPR, push the chest hard enough to move the chest? | 2 inches |
Created by:
vorachekt
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