Term
| From smallest to largest, the body's levels of organization are: |
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Definition
| Cell, tissue, organs & organ system. |
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Term
| What is the function of the nucleus? |
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Definition
| Directs the cell's activities. |
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Term
| What does the nucleus contain & what is it? |
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Definition
| DNA - information that determines the cells form & function. |
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Term
| What is the function of cells? |
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Definition
| The basic unit of structure & function in living things. |
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Term
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Definition
| A group of specialized cells that perform the same function. |
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Term
| What are the 4 types of tissues? |
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Definition
| Muscle, nervous, connective & epithelial. |
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Term
| What is the job of muscle tissue? |
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Definition
| Makes parts of your body move by contracting or shortening. |
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Term
| What does nervous tissue do? |
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Definition
| Directs & controls the process. They carry electrical messages between the brain & other parts of the body. |
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Term
| What does connective tissue do? |
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Definition
| Provides support for your body & connects all its parts. |
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Term
| What are examples of connective tissue? |
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Definition
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Term
| What is epithelial tissue? |
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Definition
| Tissue that covers the surfaces of your body inside & out. |
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Term
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Definition
| A structure that is composed of different kinds of tissue & does a specific job. |
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Term
| What are examples of organs? |
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Definition
| Stomach, heart, brain & lungs. |
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Term
| What is the job of the heart? |
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Definition
| Pumps blood through your body. |
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Term
| What kind of tissue does the heart contain? |
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Definition
| All four - muscle, nervous, connective & epithelial. |
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Term
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Definition
| A group of organs that work together to perform a major function. |
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Term
| How many organ systems does the human body contain? |
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Definition
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Term
| What do the integumentary, skeletal & muscular organ systems do? |
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Definition
| Provide structure & allow movement. |
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Term
| What do the circulatory, respiratory, digestive, excretory, immune & reproductive systems do? |
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Definition
| Carry out the process of life. |
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Term
| What do the nervous & endocrine systems provide? |
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Definition
| Control over body process. |
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Term
| For each system to function, what must happen? |
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Definition
| It's organs, tissues & cells must work together. |
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Term
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Definition
| Circulatory, Endocrine, Excretory, Digestive, Immune, Integumentary, Muscular, Nervous, Reproduction, Respiratory, Skeletal. |
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Term
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Definition
| Carries food & oxygen to all the cells. Transportation network. |
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Term
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Definition
| Releases hormones by a collection of glands. |
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Definition
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Definition
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Definition
| Protects body from disease. |
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Definition
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Definition
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Definition
| Receives information & commands the body to respond. |
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Definition
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Definition
| Lungs - moves air in & out of the body. |
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Term
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Definition
| Bones & connective tissue. |
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Term
| What is the body's largest organ? |
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Definition
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Term
| What are the major organs of the excretory system & what are their function? |
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Definition
| 2 Kidneys - they remove waste & needed material from the blood. Filtering factories. |
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Term
| Where is urine stored till is leaves the body? |
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Definition
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Term
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Definition
| Waste from the kidneys is combined with water. |
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Definition
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Definition
| Proteins that destroy pathogens. |
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Term
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Definition
| Destroys pathogens before they cause disease. |
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Term
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Definition
| Chemicals that change the activity in your body's cells. |
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Term
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Definition
| Tissues that produce & release hormones. |
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Term
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Definition
| Internal balance. Your internal enironment is kept stable despite the outside enironment. |
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Term
| How does your body maintain homeostasis? |
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Definition
| When your too warm, your body sweats to cool down. When you are cold, you shiver, which produces heat. |
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Term
| What does your muscles do when you shiver? |
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Definition
| Rapidly contract & relax. |
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Term
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Definition
| Body's reaction to threatening events by releaseing adrenaline. Ex: fast heart beat & increased breathing…..like when you finish a dance on stage. |
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Term
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Definition
| Chemical that gives you a burst of energy & prepares your body for action. It's released into the blood stream by endocrine system. |
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Term
| What's the difference between tissues & organs? |
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Definition
| Tissues are cells that produce the same function & organs are different tissues that do a specific job. |
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