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BIOS 255 Midterm Exam
- What are the formed elements of blood?
- centrifuged blood
- what makes up the buffy coat
- Hemoglobin
- Functions of blood
- Transportation of Blood
- Protection of blood
- Regulation of blood
–Answer red blood cells, white blood cells, platelets
–Answer 55% Plasma, Buffy Coat, 45% RBC
–Answer white blood cells and platelets
–Answer iron-containing protein in red blood cells that carries oxygen for delivery to cells
–Answer transportation, regulation, protection
–Answer oxygen, nutrients, wastes, carbon dioxide, and hor- mones
–Answer -protects the body from excessive bleeding by clotting, -contains specialized immune cells to help fight disease and sickness -Immune response
–Answer pH Buffers 1 / 2
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-hydrogen,biocarbonate Body Temp Osmotic Pressure H2O content of cells
- Hemopoiesis
- Erythrocytes
- Erthropoiesis
- Erythropoietin
- Hematocrit
- Anemia
- / 2
–Answer production of blood cells
–Answer red blood cells -Live for days to weeks -no organelles, no nucleus
–Answer production of red blood cells -occurs in RED BONE MARROW
–Answer a hormone secreted by the kidneys that increases the rate of production of red blood cells in response to falling levels of oxygen(hypoxia) in the tissues.
–Answer percentage of blood volume occupied by red blood cells -42% in women -47% in men
–Answer lack of a normal number of red blood cells