| Question | Answer |
| 1. Blood is.? | three to four more viscous than water. |
| Most Blood cells form in.? | Red Bone Marrow |
| Types of blood cells are.? | Red Blood cells and White blood Cells. |
| Cellular fragments of blood are platelets | platelets |
| Formed elements of blood are the cells and platelets | The cells and the platelets. |
| Blood volume varies in.? | Body size, and changes in fluid and electrolyte concentration and the amount of adipose tissue. |
| Blood volume is about.? | 8 percent of body weight |
| An averaged size adult has about.? | 5 liters of blood. |
| Hematocrit is the.? | percentage of blood cells in a blood sample. |
| a blood sample is usually about.? | 45 percent |
| Plasma is a.? | a mixture of water, amino acids, proteins, carbohydrates, lipids, vitamins, hormones and cellular wastes |
| Less than 1% of formed elements of blood are.? | White blood cells and platelets and 99 percent are red blood cells. |
| Blood cells originate in.? | in red bone marrow from hemocytoblasts or hemopoietic stem cells. |
| A stem cell can differentiate into.? | any number of specialized cells. |
| Colony-stimulating factors are.? | growth factors that stimulate stem cells to produce certain cell types. |
| Red Blood cells are also called.? | Erythrocytes |
| Red Blood cells are biconcave in.? | Shape |
| The biconcave shape of red blood cells.? | allow them to have an increased surface area for the transport of gases. |
| Hemoglobin is an.? | oxygen carrying protein in red blood cells |