| A | B |
|---|
| Stem Cell | A cell that can divide repeatedly and can differentiate into specialized cell types |
| Epithelial Tissue | Tissue that covers a body surface or lines a body cavity |
| Nervous Tissue | Tissue of the nervous system, including neurons and their supporting cells |
| Connective Tissue | A tissue that has a lot of intracellular substance and that connects and supports other tissues |
| Muscle Tissue | The tissue made of cells that can contract and relax to produce movement |
| Skeletal Muscle | Muscle that is attached to bone |
| Smooth Muscle | Muscle that makes up the walls of the intestines and blood vessels |
| Cardiac Muscle | Muscle that is only found in the heart. |
| Organs | Structures made of two or more types of tissue that work together to perform a specific function. |
| Organ System | A group of organs that work together to carry out the major processes of the body. |
| Circulatory | Having to do with the circulation, the movement of fluid (blood) in a regular or circular course. |
| Endocrine | Pertaining to hormones and the glands that make and secrete them into the bloodstream through which they travel to affect distant organs |
| Homeostasis | The steady internal environment that your body maintains, despite changes in the external environment. |
| Negative feedback | A system in which the results of a process provide the signal for the process to stop. |
| Denature | To provoke structural changes in a molecule which disrupt its biological activity. |
