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Anatomy weeks 1-5
Term | Definition |
---|---|
What are the levels of organization? | 1. Atom 2. Molecule 3. Organelle level 4. Cellular level 5. Tissue level 6. Organ level/organ system level 7. Organism level |
What are the anatomical positions? | Superior means toward the head / inferior means toward the feet Anterior means front / posterior means back Medial means toward the midline / lateral means away from midline. Proximal / distal Superficial / Deep |
What is a covalent bond? | bond formed by the sharing of one or more pairs of electrons between the outer energy levels of two atoms |
What levels of pH are neutrality, acidity and alkalinity? | pH of 7 indicates neutrality pH of less than 7 indicates acidity pH of greater than 7 indicates alkalinity |
What are the 3 main parts of a cell? | the cell membrane, the nucleus, and the cytoplasm. |
Three types of direct cell connections? | Desmosome, gap junctions and tight junctions |
What are the four principal types of tissue? | Epithelial tissue Connective Tissue Muscle Tissue Nervous tissue |
What are the three layers of skin? | Epidermis, the top layer. Dermis, the middle layer. Hypodermis, the bottom or fatty layer. |
What is the 5 functions of bones? | Support, protection, movement, mineral storage and hematopoiesis. |
What are the 2 divisions of a human skeleton? | Axial and appendicular |