| Question | Answer |
| What is the basic unit of structure and function of all living things. | cell |
| The thin covering that encloses every cell is called_______? | cell membrane |
| This part of the cell determines its activities. | nucleus |
| What is the jellylike substance containing many chemicals to keep the cell functioning? | cytoplasm |
| The process by which many materials move in and out of cells is ___? | diffusion |
| What is the movement of water and dissolved materials through cell membranes? | osmosis |
| Cells that work together to perform a specific function for a ____? | tissue |
| Tissues that work together form a ____? | organ |
| Organs that work together to perform a function form a ______? | system |
| The smallest blood vessels in the body are called______? | capillaries |
| _______- are the tiny sacs located at the end of bronchi tubes in the lungs. | Alveoli |
| What are the projections sticking out of the walls of the small intestine? | villi |
| Tubes inside the kidneys where urea and wter diffuse from the blood are called______? | nephrons |
| What is the connective tissue that produces red blood cells and white blood cells? | bone marrow |
| Bones are attached to each other and to muscle at the ________? | joint |
| Tough bands of connective tissue that attach muscle to bone are called ? | tendons |
| Bands of connective tissue that hold the skeleton together are called? | ligaments |
| _______ is a specialized cell that can receive signals and transmit them to other neurons. | Neuron |
| What are the nerve cells called that detect conditions in the body's environment? | receptors |
