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A&PII - Ch 17
Blood
| Question | Answer |
|---|---|
| percentage of total blood volume occupied by erythrocytes; about 45% of total volume of a blood sample | hematocrit |
| cellular components of living blood cells | formed elements |
| liquid component; nonliving fluid matrix | plasma |
| dissolved fibrous proteins become visible as __ strands during blood clotting | fibrin |
| thin, whitish layer, present at erythrocyte-plasma junction | buffy coat |
| white blood cells that act in various ways to protect body | leukocytes |
| cell fragments that help stop bleeding | platelets |
| distribution function of blood includes delivering | O2 from lungs & nutrients from digestive tract to all body cells |
| distribution function of blood includes transporting metabolic waste products from cells to __ __ | elimination sites |
| distribution function of blood includes transporting metabolic waste products from cells to lungs for | elimination of CO2 |
| distribution function of blood includes transporting metabolic waste products from cells to kidneys for | disposal of nitrogenous wastes in urine |
| distribution function of blood includes transporting hormones from | endocrine organs to target organs |