Chapter 12 & 13 Important Words (Blood and Heart)
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29 terms
Terms | Definitions |
|---|---|
 red blood cells | Erythrocytes |
| white blood cells | Leukocytes |
| oxygen carrying pigments in red blood cells | Hemoglobin |
| red blood cell formation | Hematopoiesis |
| hormone the controls the rate of red blood cell formation | Erythropoietin |
| white blood cells that provide immunity | Lymphocytes |
| white blood cell phagocyte, largest blood cell | Monocytes |
| helps blood clot | Thrombocytes (platelets) |
| plasma protein that helps regulate concentration of blood | Albumin |
| stoppage of bleeding | Hemostasis |
| blood clotting | Coagulation |
| a chemical that stimulates lymphocytes to produce antibodies | Antigen |
| protein that produces a response to non self antigens | Antibodies |
| pointed bottom portion of the heart | Apex |
| the layer of the heart that is in contact with the blood | Endocardium |
| layer of the heart that enclosed the heart and the proximal ends of the large blood vessels | Pericardium |
| layer of heart that protects the heart by reducing friction | Epicardium |
| middle layer that consist of cardiac muscle tissue that pumps blood out of the heart chambers | Myocardium |
| upper chambers | Atria |
| lower chambers | Ventricles |
| separates the atrium and ventricle from right to the left | Septum |
| valve that has 3 CUSPS and lies between right atrium and right ventricle | Tricuspid Valve |
| project inward from the walls of the ventricle | Papillary Muscle |
| fibrous strings that attach to the cusps of the valves | Chordae Tendineae |
| valve with only 2 cusps and prevents blood going back into the left atrium | MItral Valve |
| build up around the arterial walls | Atherosclerosis |
| maximum pressure during contraction | Systolic Pressure |
| lowest pressure during contraction | Diastolic Pressure |
| volume of blood discharged from the Aorta | Stroke Volume |
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