Hormones

4. Gland found in the base of the brain. Known as the 'master gland'.
5. The release of TRH from the hypothalamus stimulates the pituitary gland to release TSH. This then stimulates the thyroid gland to release thyroxine.
7. Thyroxine controls how much energy your body uses (the ________ rate).
13. Three Words. What does insulin help control?
14. Hormone produced by the testes.
18. Hormone produced by the ovaries.
20. Two Words. The recipient of a hormone.
23. A chemical substance, produced by a gland.
24. What do hormones travel around the body in?
25. Normal blood levels ______ the release of TRH, which also ______ the release of TSH and thyroxine.
26. Hormones are slower to act than the _______ system, but last longer.
27. The maintenance of constant internal conditions in an organism.

1. Two Words. What does a hormone cause?
2. Two Words. What is one thing that the hormone adrenaline increases?
3. Controls body temperature.
6. What does insulin convert excess glucose into?
8. Produces the hormones insulin and glucagon.
9. ______ is a condition where the blood glucose levels remain too high. It can be treated by injecting insulin.
10. The target organ of insulin and glucagon.
11. Controls the water content of the blood by increasing the reabsorption of water. Targets the kidneys and produced in the pituitary gland.
12. ______ converts the excess glucose back when glucose levels are low.
15. Two Words. Diabetes where the pancreas fails to produce enough insulin. This can be detected from an early age.
16. Gland that produces the hormone adrenaline.
17. Thyroxine levels in the bloodstream stimulate the hypothalamus to release _____.
19. Gland that produces thyroxine.
21. Two Words. Diabetes where the person's body cells no longer respond to insulin produced by the pancreas. Correlates with a rise in obesity.
22. A ______ system maintains levels of substances within the body using negative feedback.