| A | B |
|---|
| Glucose | Another name for blood sugar |
| Homeostasis | Maintaining stable internal conditions |
| Hormone | A chemical messenger than influences the actions of other cells in the body |
| Hypothalamus | Region of the brain that relays messages to the pituitary gland |
| Pituitary gland | Receives sensory message from the hypothalamus, then secretes hormones that tells other glands what to do |
| Pancreas | Produces insulin |
| Insulin | Hormone that regulates glucose (blood sugar) |
| Testosterone | Hormone responsible for the development of male sexual characteristics |
| Estrogen | Hormone responsible for the development of female sexual characteristics |
| Adrenalin | Hormone responsible for the "fight or flight" response |
| Negative feedback | Glucose levels go up after a meal. The pancreas releases insulin. The insulin lowers the amount of glucose in the bloodstream returning levels to normal. The pancreas then stops releasing the insulin. What type of feedback is this? |
| Positive feedback | A woman goes into labor. Contractions cause the pituitary gland to release oxytocin. The oxytocin increases the number of contractions. This cause MORE oxytocin to be released. This cycle continues until the child is delivered. What type of feedback is this? |
| Gland | An organ that secretes hormones or other substances. |
