Chapter 11 Word Scramble
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Term | Definition |
Formed Elements | Part of blood that contains red blood cells, white blood cells, and platelets. Makes up 45% of the blood volume |
Hematocrit | Part of the blood made up of only red blood cells. |
Buffy coat | Small part of the blood made up of white blood cells and platelets. 92% of plasma is water. Dissolves salts, sugars, and nutrients for cells. |
Plasma | Makes up the other 55% of blood volume and contains inorganic and organic molecules. |
Functions of blood | Transport: Blood carries molecules such as, oxygen, wastes (CO2), hormones. Defense: The blood contains white blood cells and is able to clot to prevent disease. Regulation: Blood helps regulate body temperature, salt content, and pH. |
Red Blood Cells (erythrocytes) | Small disc shaped cells that contain 200 million molecules of hemoglobin, a protein that carries oxygen. 4-6 million RBCs per millimeter cubed. |
White Blood Cells (leukocytes) | Larger cells that contain nuclei and help fight off diseases. 5,000-11,000 per millimeter cubed. Two types granular and agranular. |
Hematopoesis | The process of making formed elements (red blood cells). |
Hemeglobin | A protein found in red blood cells that allows the cells to cary oxygen. |
Hemostasis | The process used to heal damaged blood vessels such as a cut. Three steps: vascular spasm, platelet plug, and coagulation. |
Thrombocytopenia | A low platelet count in blood, which causes poor clotting. Caused by antibodies attacking platelets or the parent fragments of platelets are destroyed. |
Hemophelia | An inherited disorder where clotting factors are not efficient in clotting. |
Thrombus | A blood clot that results from excessive clotting and does not move. |
Embolus | A clot that forms due to excessive clotting, these clots dislodge and move through the blood. |
Thromboemolism | When large clots block and plug a blood vessel. If these occur in the brain, a stroke may occur. If the clots occur in the heart, heart attacks are likely. |
Created by:
Mr.Klein
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