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BSC2086 Cumulative Blood Slides

Terms in this set (80)

Cardiovascular system consists of:
a pump (heart)

a conducting system (blood vessels)

a fluid medium (blood)
blood is specialized fluid of
connective tissue
What materials does blood transport
gases (O2 and CO2)

nutrients (glucose, amino acids, fatty acids, etc.)

hormones (ACTH, TH, GH, etc.)

immune system components (antibodies)

waste products (nitrogenous wastes)
Important functions of blood
Transportation of dissolved substances

Regulation of pH and ions

Restriction of fluid losses at injury sites

Defense against toxins and pathogens

Stabilization of body temperature
Whole blood composition
plasma (55%)
formed elements (45%)
Plasma is fluid consisting of
water, dissolved plasma proteins, other solutes
The three types of formed elements
Red blood cells (erythrocytes)

White blood cells (leukocytes)

Platelets
Hemopoiesis
Process of producing formed elements
Formed elements are formed from ___ and _____ stem cells
myeloid, lymphoid
Fractionation
process of separating whole blood for clinical analysis
Buffy coat is composed of what?
platelets and white blood cells is found between RBC and plasma
Three general characteristics of blood
1. 38.C (100.4 F) is normal temperature
2. High viscosity
3. Slightly alkaline pH (7.35-7.45)
The composition of plasma
50-60% of blood volume

more than 90% is water

extracellular fluids
Plasma proteins found in blood include
Albumins (60%)
Globulins (35%)
Fibrinogens (4%)
Albumins
transport substances such as fatty acids, thyroid hormones, and steroid hormones
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