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2.1.5 vocab
| Question | Answer |
|---|---|
| osmosis | Movement of water across a semipermeable membrane from low solute concentration to high solute concentration. |
| Hypertonic | A solution with higher solute concentration than the cell; water leaves the cell. |
| Hypotonic | A solution with lower solute concentration than the cell; water enters the cell. |
| Isotonic | A solution with equal solute concentration as the cell; no net water movement. |
| Diffusion | Movement of particles from high concentration to low concentration. |
| Concentration Gradient | Difference in concentration of a substance between two areas. |
| Telemedicine / Telehealth | Delivery of healthcare services remotely using technology (video calls, apps, monitoring devices). |
| Hormones | Chemical messengers released by glands that regulate body functions. |
| Metabolism | All chemical reactions in the body that maintain life. |
| Cellular Respiration Equation | C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP (energy) |
| Reactant(s) | Substances that start a chemical reaction. |
| Product(s) | Substances formed from a chemical reaction. |
| Adenosine Triphosphate (ATP) | Main energy molecule used by cells |
| Diabetes Mellitus | A disorder where the body cannot properly regulate blood glucose levels. |
| Type 1 Diabetes | Autoimmune condition where the pancreas makes little or no insulin. |
| Type 2 Diabetes | Condition where the body becomes resistant to insulin or doesn’t make enough. |
| Gestational Diabetes | Diabetes that develops during pregnancy. |
| Hyperglycemia | High blood glucose levels. |
| Hypoglycemia | Low blood glucose levels. |
| Autoimmune Disorder | Condition where the immune system attacks the body’s own cells. |
| Organic Macromolecules / Biomolecules | Large carbon-based molecules essential for life |
| Carbohydrates | Sugars and starches that provide quick energy. |
| Proteins | Molecules made of amino acids that build and repair tissues. |
| Lipids | Fats and oils used for energy storage and insulation |
| Nucleic Acids | DNA and RNA; store and transmit genetic information. |
| Insulin | Hormone that lowers blood glucose by helping cells absorb glucose. |
| Glucose | Simple sugar that serves as the body’s main energy source. |
| Glucagon | Hormone that raises blood glucose levels. |
| Negative Feedback Loop | A response that reverses a change to maintain balance. |
| Positive Feedback Loop | A response that amplifies or increases a change |
| Blood Glucose Meter (Glucometer) | Device that measures blood sugar levels. |
| Continuous Glucose Monitor (CGM) | Device that tracks glucose levels in real time throughout the day. |
| Insulin Pump | Wearable device that delivers insulin continuously. |
| Pancreas | Organ that produces insulin and glucagon. |
| Alpha Cell | Pancreatic cell that produces glucagon. |
| Beta Cells | Pancreatic cells that produce insulin. |