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Anatomy weeks 1-5
| Question | Answer |
|---|---|
| Definition of physiology | study of the functioning of living organisms |
| Homeostasis | The tendency of cell or the whole organism to maintain a state of balance |
| Cell | Smallest living structure in the body |
| Which chemicals allow neurons to communicate with one another | neurotransmitters |
| An ion channel that opens in response to a sensory stimulus is a(n) | stimulus-gated channel. |
| Where is the Epidermis layer located? | Outer layer of the skin |
| Atom | The smallest unit of matter that cannot be broken down by chemical reactions |
| Hydrogen bond | A weak chemical attraction between polar molecules |
| What percent of water in human body? | 70% |
| What is the definition of pH | A scale from 0-14 that measures how acidic or basic liquid is |
| Organelle | A tiny cell structure that performs a specific function within the cell |
| DNA | The molecule that carries the genetic instructions |
| What is the basic function of the integumentary system? | Protection, regulation of body temperature, excretion of wastes and vitamin D production |
| What are the three layers of the skin? | Epidermis, Dermis and Hypodermis |
| What is cell division? | The process by which a cell divides into two new daughter cells |