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Grade 7
Human Body Chapter 1
Term | Definition |
---|---|
Nucleus | The structure in the cell containing information that determines its characteristics. |
Muscle tissue | Makes up organs that are able to contract or shorten. |
Nerve tissue | Makes up organs that send messages to control the body. |
Epithelial tissue | Lines the inside of the digestive system. |
Cell membrane | Forms the outside boundary of the cell. |
Cell | Basic unit of structure and function in all living things. |
Cytoplasm | The area between the cell membrane and nucleus. |
Connective tissue | Provides support for your body and connects all its parts. |
Organ | A structure that is composed of different kinds of tissue. |
Organ System | A group of organs that work together to perform a major function. |
Homeostasis | The process by which an organisms internal environment is kept stable in spite of changes to its external environment. |
Stress | The reaction of your body and mind to threatening, challenging, or disturbing events. |
Adrenaline | This gives your body a burst of energy and causes many other changes in your body. |
Wellness | Being at your best possible level of health in your body, mind, and relationships with others. |
3 components of wellness are.... | 1) Physical Health 2) Mental Health 3) Social Health |
Physical Health | How well your body functions. |
Mental Health | Involves your feelings or emotions - how you feel about yourself. |
Social Health | How well you get along with others. |
Peer Pressure | Pressure from your friends or classmates to behave in certain ways. |
Contiuum | The gradual progression through many stages between one extreme to another. |