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Cells, Tissues, Org.
Cells, tissues, and organs vocabulary
| Question | Answer |
|---|---|
| The study of the structures of the human body that can be seen with the naked eye, and what they are made up of | anatomy |
| The study of the functions and activities performed by the body structures | physiology |
| The study of the tiny structures found in living tissue, that is, microscopic anatomy | histology |
| The basic units of all living things | cells |
| A colorless jelly-like substance in which food elements such as proteins, fats, carbohydrates, mineral salts, and water are present | protoplasm |
| The dense, active protoplasm found in the center of the cell | nucleus |
| The watery fluid that cells need for growth, reproduction and self-repair | cytoplasm |
| Contains the protoplasm and allows certain types of substances to pass through | cell membrane |
| Reproduction process of cells | mitosis |
| A chemical process that takes place in living organisms wherby the cells are nourished and carry out their activities | metabolism |
| A process of building up larger molecules from smaller ones | anabolism |
| The process of breaking down complex compounds within the cells into smaller ones to release stored energy | catabolism |
| Collection of similar cells that perform a particular function | tissue |
| Supports, protects, and binds together | connective tissue |
| Protective covering on body surfaces, including skin, mucous membranes, and the lining of the heart, digestive, respiratory organs, and glands | epithelial tissue |
| Carries food, waste products, and hormones throughout the body; ex. blood and lymph | liquid tissue |
| Contracts and moves body parts | muscular tissue |
| Carries messages to and from the brain and controls and coordinates all bodily functions | nerve tissue |
| Groups of tissues designed to perform specific functions | organs |
| Groups of bodily organs acting together to perform one or more functions | body systems |