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Chapter 18- Blood

A&P 2 Study Cards Pt.1

General functions of blood. Transportation- of gasses, nutrients, waste, and hormones regulation- pH, Body temp, Water content of cells Protection- WBC fight off disease
6 Characteristics of Blood color- volume- 4-5(female) 5-6(male) viscosity plasma concentration- 0.09% Temperature- 100.4 pH- 7.35-7.45
Arteries Transports blood away from the heart
Veins transport blood towards the heart
Capillaries allow exchange between blood and body tissues
Centrifuged blood plasma(55% of whole blood) Buffy coat(<1%of whole blood) Erythrocytes(44% of whole blood)
Plasma (55% of whole blood) Water Proteins- Albumins, Globulin, fibrinogen, and regulatory proteins other solutes- electrolytes, nutrients, respiratory gases, and waste products
Buffy coat(<1% of blood) Platelets-150-400 thousand per cubic mm Leukocytes - 4.5-11 thousand per cubic mm Neutrophils ,lymphocytes, Eosinophils, Basophils, Monocyte
Erythocytes (44% of whole blood) 4.2-6.2 Million per cubic mm
Hematocrit Percentage of volume of all formed elements Clinical Definition- Percentage of only erythrocytes
Blood Smear Thin layer of blood placed on microscope slide and stained
Plasma Proteins Albumins, Globulins, Fibrinogen, and Regulatory proteins
Albumins Exerts osmotic force to retain fluid within the blood, contributes to blood's viscosity and is responsible for some fatty acid and hormone transport,
Globulins Alpha-Globulins transport lipids and some metal ions Beta-Globulins transports iron and lipids in blood Gamma-Globulins are antibodies that immobilize pathogens
Fibrinogen Participates in blood coagulation (Clotting)
Colloid Blood is a colloid; Plasma contains dispersed proteins
Colloid osmotic pressure Plasma proteins exert colloid osmotic pressure -Prevents loss of fluid from blood as it moves through capillaries
Created by: Skylineview



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