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Chapter 10 Blood

Plasma 55%
Hematocrit Volume of blood sample should be 45%
Cells 45%
RBC Erythrocytes
Red blood cells Formed in bone marrow; carries oxygen
Hemoglobin Molecules combine with CO2 to transport
Oxyhemoglobin Bright red; plenty of oxygen
Deoxyhemoglobin Bluish; not much oxygen
Anemia Few red blood cells
WBC Leukocytes
White Blood Cells Fights diseases
Neutrophils Eats bacteria; most common
Eosinophils Attack parasites; allergic reactions
Basophils Produces blood thinners and histomines
Monocytes Makes macrophages
Lymphocytes Immune system; second most common
Blood Plasma Liquid portion; 92%
Albumins Made in liver; maintains blood pressure
Alpha and beta Made in liver; transports lipids
Gamma Forms antibodies
Fibrinogen Importance to blood clotting
Major blood clotting event Change from fibrinogen into fibrin
Hemostasis The process to stop bleeding
Type A receives A or O
Type B receives B or O
Type AB receives A, B, AB, or O least common
Type O receives O most common
Rh Rhesus monkey
Type O Universal Donar
Iron Is a critical element needed to synthesize hemoglobin and normal RBC
Hematopoeisis Blood cells live for 120 days then are eaten by the liver and spleen
Erythropoietin Secreted by kidneys; stimulates the formation of RBC; requires B12 and Folic Acid
Blood Vessel Spasm Damaged or broken vessels stimulates muscle tissue in the walls of the vessels to contract. This slows or stops blood flow, lasts for several min. Platelets release serotonin , a vasoconstrictor which maintains the muscle even longer
Platelet Plug Platelets stick to surfaces of damaged blood vessels and form a plug
Blood Coagulation most effective; forms a blood clot (hematoma). Injury causes an increase in the release of coagulation: conversion of fibrinogen into fibrin
Tissue Damage production of prothrombin activator
Prothrombin converted to thrombin
Thrombin acts as a enzyme to cause change of fibrinogen to fibrin, which traps platelets and blood cells to form a hematoma
Thrombus internal blood clot
Embolus clots move
Embolism resulting stroke
Platelets cell fragments
PL thrombocytes
Antigen A Plasma: Anti-B antibodies
Antigen B Plasma: Anti-A antibodies
Antigen A&B Plasma: neither anti- A or anti-B antibodies
Neither antigen A nor B Both anti-A and anti- B antibodies
Rh factor caused by a dominant allele and is inherited
Erythroblastosis fetalis mothers immune system attacks the fetus when the mother is Rh- because the body shows the baby as an infection
Systemic Circulation delivers blood to all body cells
Pulmonary Circulation eliminates carbon dioxide and oxygenates the blood
Deoxygenated blood blue
Oxygenated blood red
Pericardium encloses the heart (like a bag)
Pericardial cavity fluid for the heart to float, reducing friction
Epicardium outer layer, reduces friction
Myocardium Middle layer, mostly cardiac muscle
Endocardium inner layer, blood vessels
Atria top chamber
Ventricles bottom chambers right- thin left- thick
Septum seperating two chambers
Atrioventricular Valve between upper chambers
tricuspid prevents back flow of blood 3 flaps
bicuspid has blood flow one way to the left atrium to the left ventricle
Superior Vena Cava/ Inferior Vena Cava return blood from the head and body to the heart connects to left atrium
Chordae Tendinae/ papillary muscles prevents bonds from bending
Pulmonary Trunk/ Arteries splits into left and right, both leads to lungs and leaves left ventricle
Pulmonary Valve valves open and close as blood flows through
Pulmonary Veins blood returns to the heart with O2 blood 2 on each side
1st Step in blood path Deoxygenated blood enters through right atrium through the vena cava
2nd step in blood path blood enters right ventricle
3rd Step in blood path Blood goes out the pulmonary arteries and heads to the lungs
4th step in blood path blood returns from the lungs and enters the left atrium
5th step in blood path blood moves into the left ventricle
6th step in blood path oxygenated blood moves out of the left ventricle through the aorta and to the body
skeleton of the Heart dense connective tissue holding the heart and valves in place
Systole heart beating
Diastole heart resting
Hypertension of blood pressure 140/90
normal blood pressure 120/80
ECG heartbeat
Fast Heart Beat Tachycardia
Slow Heart Beat Bradycardia
Irregular Heart Beat Arrhymthmia
P Wave Atrial Contraction
QRS Wave Ventricular Contraction
T Wave Ventricular repolarization
SA Node triggers ventricle squeeze
Created by: Alisha M. Bailey