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| 2809594046 | Arnold Adolph Berthold | A German physiologist and zoologist. He is known as a pioneer in endocrinology due to his experiments on the role of the gonads in the development of secondary sexual characteristics. (1803 - 1861) | 0 | |
| 2809598180 | Metabolism | The endocrine system regulates this | 1 | |
| 2809599359 | Body defenses | The endocrine system mobilizes this | 2 | |
| 2809599855 | Homeostasis | An equilibrium the endocrine system achieves | 3 | |
| 2809603752 | Extracellular fluids | Cells secrete hormones into this substance | 4 | |
| 2809605376 | Hormone | A regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action | 5 | |
| 2809606227 | Blood | Transfers hormones to target sites | 6 | |
| 2809607655 | Protein | A hormone made out of amino-acids that starts with Pr | 7 | |
| 2809608351 | Peptide | A hormone made out of amino-acids that starts with Pe | 8 | |
| 2809611002 | Amines | A hormone made out of amino-acids that starts with A | 9 | |
| 2809613224 | Steroid | A hormone made out of cholesterol | 10 | |
| 2809613840 | Prostaglandins | A hormone-like substance made from highly active lipids | 11 | |
| 2809617618 | Specific | Hormones are made to affect ______ cells and tissues | 12 | |
| 2809619292 | Protein | Target cells must have specified receptors made out of this to receive a hormone | 13 | |
| 2809620577 | Synthesized | The effect of hormones causes proteins to be | 14 | |
| 2809623618 | Permeability | Hormones causes a changes this in the cells along with its electrical state | 15 | |
| 2809626470 | Enzymes | Hormones inactivate or activate | 16 | |
| 2809627317 | Hormones | Endocrine glands are activated by other | 17 |
