| A | B |
|---|
| Reproductive | Makes cells that can make children; controls some jobs in the body. |
| Digestive | Takes food into the body, breaks it down, and absorbs it |
| Skeletal | Supports and protects the body, works with muscles to move the body; makes blood cells. |
| Skin | Protects the body, keeps water inside the body, and helps control body temperature. |
| stimulus | information received from the sensory organs. |
| response | what the body does when a stimulus happens |
| sensory neuron | receptors (eyes, ears, nose, etc.) picks up a stimulus from the environment |
| interneuron | passes nerve impulses |
| spinal cord | can act before the brain gets the message(reflex.) |
| brain | processes the stimulus. Recalls memories and may store them |
| motor neuron | sends a nerve impulse from the brain to the muscles to do something |
| Endocrine | Controls some jobs of the body with chemicals |
| Excretory | Gets rid of waste. |
| Immune | Fights disease |
| Muscular | Makes the body move; moves food and blood |
| Nervous | Gets and thinks about information from in and out of the body; controls most jobs in the body. |
| Tissue | systems of the same types of cells working together for a specific purpose |
| stem cell | can differentiate to become all other cells in your body |
| Epithelial | Tissue covers the inside and outside surfaces of the body |
| Connective | Tissue supports the body and connects its parts. |
| Muscle | tissue can contract or shorten |
| Nerve | tissue carries messages back and forth between the brain and every part of your body |
| organ | structure made of different kinds of tissue. |
| organ system | group of organs that work together |
| Circulatory | Carries things to and from the body’s cell. It also helps fight disease |
| Respiratory | Takes in oxygen and gets rid of carbon dioxide |
