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CH. 6
Anatomy & Physiology Pt.#1
| Term | Definition |
|---|---|
| Anatomy | is the study of the human body structures that can be seen with the naked eye and how the body parts are organized; it is the science of the structure of organisms or of their parts |
| Physiology | is the study of the functions and activities performed by the body's structures. |
| Ology | the ending meaning study of |
| Cells | are the basic units of all living things--from bacteria to plants to animals, including human beings |
| Protoplasm | a colorless jelly-like substance found inside cells in which food elements such as proteins, fats, carbohydrates, mineral salts, and water are present. |
| Nucleus | is the dense, active protoplasm found in the center of the cell; it plays an important part in cell reproduction and metabolism. |
| Cytoplasm | is the watery fluid that surrounds the the nucleus of the cell and is needed for growth, reproduction, and self repair. |
| Cell membrane | is the cell part that encloses the protoplasm and permits soluble substances to enter and leave the cell. |
| Mitosis | is the usual process of cell reproduction of human tissues that occurs where the cell divide into two identical cells called daughter cells. |
| Tissue | is a collection of similar cells that perform a particular function |
| Connective tissue | is fibrous tissue that binds together, protects, and supports the various parts of the body. |
| Adipose tissue | a technical term for fat; it gives smoothness and contour to the body. |
| Epithelial tissue | is a protective covering on body surfaces, such as skin, mucous membranes, the tissue inside the mouth, the lining of the heart, digestive and respiratory organs, and the glands |
| Muscle tissue | contracts and moves various parts of the body |
| Nerve tissue | carries messages to and from the brain and controls and coordinates all bodily functions. |
| Organs | are structure composed of specialized tissues designed to perform specific functions in plants and animals |
| Body systems | are groups of body organs acting together to perform one or more functions. |