| A | B |
|---|
| Blood | the "tissue of life"; makes up about 8% of body mass |
| Plasma | the liquid part of blood; contains nutrients from food |
| Red Blood Cells | cells that carry oxygen around the body |
| Hemoglobin | a special protein that helps red blood cells carry oxygen |
| White Blood Cells | special cells that help the body fight infectious bacteria, viruses, etc. |
| Platelets | special blood cells that help clot blood |
| Fibrin | a special protein that helps clot blood |
| Coagulate | means "to clot" |
| Universal Blood Donor | Type O |
| Universal Blood Receiver | Type AB |
| RH Factor | a special chemical found in blood; was first discovered in Rhesus monkies |
| Dominant Trait | a trait that will be expressed or shown |
| Recessive Trait | a trait that is dominated by another and may not be expressed or shown |
| Heterozygous | expressing two different genes for a certain trait |
| Homozygous | having two identical genes for a certain trait |
| Punnett Square | a tool used to determine the probability of offspring having certain traits |
