| A | B |
|---|
| Circulatory system aids this | Endocrine System |
| Capillary | smallest and most numerous blood vessels |
| plasma | portion of blood that is made up of 90% water and 10% solute |
| A & B antigens | determines blood type |
| atrioventricular node | connects the upper chamber of heart with lower chambers |
| atherosclerosis | when fatty deposits build up on inner walls of arteries |
| arteriosclerosis | hardening of arteries |
| epiglottis | keeps food out of lungs |
| oxygen | bonds with hemoglobin in red blood cell |
| ertythrocytes | red blood cells |
| stem cells | specialized cells in the bone marrow that produce red blood cells |
| white blood cells | largest blood cells ; leukocytes |
| lymphocytes | type of white blood cell, many produce antibodies |
| macrophages | white blood cells that enter fluid surrounding body's cells |
| leukemia | too many white blood cells produced |
| megakaryocytes | large cells in bone marrow that pinch off bits of their cytoplasm to form platelets |
| platelets | blood clotting protein |
| fibrin | sticky protein that functions in blood clotting |
| vena cava | largest vein in the body |
| systemic circulation loop | transports blood from left side of heart to body's tissues and then back to the right side of the heart |
