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chapter 1 A&P 1
| Term | Definition |
|---|---|
| Anatomy | studies the form and structure of the body |
| Physiology | examines how the body functions |
| Scientific method | method refers to a systematic and rigorous process by which scientists |
| Microscopic anatomy | Examines structures that cannot be observed by unaided eye Specimens examined under microscope |
| Microscopic anatomy division are | Cytology is the study of body cells and their internal structure Histology is the study of tissues |
| Gross anatomy or macroscopic anatomy | Investigates structures visible to the unaided eye Specimens dissected for examination |
| Gross anatomy, division | Systemic anatomy studies the anatomy of each body system Regional anatomy examines the structures in a body region Surface anatomy focuses on superficial anatomic markings and internal body structures |
| Organization | All organisms exhibit a complex structure and order |
| Metabolism | Metabolism—the sum of all chemical reactions that occur within the body |
| Anabolism | Anabolism—small molecules joined to form larger ones |
| Catabolism | Catabolism—large molecules broken down into smaller ones |
| Chemical level | atoms and molecules |
| Cellular level | cells, basic units of life |
| Tissue level | similar cells performing common functions |
| Organ level | Organ level – multiple tissues working together |
| Organ system level | related organs work together |
| Organismal level | organ systems function together |
| Levels of organization from simplest to most complex: | Chemical level , Cellular level, Tissue level, Organ level ,Organ system level ,Organismal level |
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timu