hormonal communication Flashcards
1
Q
what is the endocrine system?
A
a communication system that uses hormones as signalling molecules
2
Q
define hormones
A
molecules that act as messengers
3
Q
what are the two types of hormone?
A
- protein and peptide
- steroid
4
Q
what is the adrenal cortex?
A
outer layer of the adrenal gland
5
Q
what is the adrenal gland?
A
releases adrenaline
6
Q
what are beta cells?
A
cells found in the Islets of Langerhans which secrete insulin