the endocrine system

3. the body lacks the thyroid hormone which causes the body processes to slow down
6. creates insulin
8. butterfly shaped
9. elderly people may be more prone to these, involving the bones
11. four glands, no bigger than a grain of rice
13. not being able to fall asleep or stay asleep
14. only found in the female body
15. the most common form of diabetes that occurs when the body does not produce enough insulin
17. what state of being the body maintains

1. the category of hormones that contains estrogen, progesterone and testosterone
2. the size of a pea
4. only found in the male body
5. too much of the thyroid hormone is produced which causes the body processes to speed up
7. less than 140mg/dL is considered to be...
10. chemicals that coordinate various functions within the body by sending messages
11. the gland that produces melatonin
12. tell the body what to do and when to do it
16. this group of people are more likely to face disturbed sleep patterns, reduced metabolism or low bone density