The Endocrine System
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. endocrine
A. Located near the base of the neck
2. function
B. Any of various organs that synthesize substances needed by the body and release it through ducts
3. gland
C. A large elongated exocrine gland located behind the stomach
4. hormones
D. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has (plural)
5. insulin
E. The organ that bears the ovules of a flower (plural)
6. organs
F. Hormone secreted by the isles of Langerhans in the pancreas
7. ovaries
G. A mathematical relation such that each element of a given set is associated with an element
8. pancreas
H. A government agency or instrument devoted to the performance of some specific function (plural)
9. pituitary
I. A steroid hormone produced in the ovary
10. progesterone
J. The master gland of the endocrine system
11. system
K. A ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing
12. thymus
L. The secretion of an ___ gland that is transmitted by the blood to the tissue on which it has
13. thyroid
M. Instrumentality that combines interrelated interacting artifacts designed to work as a coherent