Provide a short answer:
 
What are hormones, and who discovered the first hormone?
 
Answer variants:
secretin
endocrine, bloodstream
1905
Thomas addison
 
a. The first hormone, ________, was discovered by Bayliss and Starling. -
b. The term hormone was coined in the year -
c. Hormones are secreted by ________ glands directly into the ________. -
d. The Father of Endocrinology is -