ASU BIO 202 Exam 1 Questions and Answers 100% Accurate
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Course
ASU BIO 202
Institution
ASU BIO 202
Chapter 18 Blood - Answer....
Describe the functions and properties of blood - AnswerTransports :
O2 from lungs to organs/cells
CO2 from cells to lungs
Nutrients from digestive system & storage
Wastes to liver & kidneys
Hormones
ASU BIO 202 Exam 1 Questions and Answers 100%
Accurate
Chapter 18 Blood - Answer....
Describe the functions and properties of blood - AnswerTransports :
O2 from lungs to organs/cells
CO2 from cells to lungs
Nutrients from digestive system & storage
Wastes to liver & kidneys
Hormones
Regulates body temperature (transports heat out to skin)
Immunity (white blood cells)
Clotting (platelets)
Stabilizes water balance
Stabilizes pH - buffer for acids & bases
Explain why blood is a connective tissue - Answermore matrix vs cells
Adults have ____ L of blood - Answer4-6 L of blood average about 5
, List the components of blood and their average amounts - Answerplasma, a clear extracellular fluid (55%
of blood
Formed elements - blood cells and platelets
Mean erythrocyte (RBCs) count - 4.2-6.2 million/ml
Mean leukocyte (WBCs) count - 5,000-10,000/ml
Mean platelet count - 130,000-400,000/ml
List the major types of WBCs - AnswerGranulocytes - have cytoplasmic granules
Neutrophils
Eosinophils
Basophils
Agranulocytes - no cytoplasmic granules
Lymphocytes (T-cells & B-cells)
Monocytes & Macrophages
Explain hematocrit and list average percentages - AnswerHematocrit is % of total volume that is actual
cells
Erythrocytes are heaviest and settle first
-37% to 52% total volume
White blood cells & platelets
-1% total volume
Buffy coat
-leukocytes and platelets
Plasma
-47% to 63%
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