Chemical coordination in organisms is brought about by
All of the above
Neurons
Hormones
Enzymes
Hormones relay various growth, body development and metabolic related messages in the body, and thus serve as the messengers of the endocrine system.
Which of the following are correct.
a) Neural coordination is fast but short-lived.
b) Secretions of the ductless gland are messengers.
c) Hormones are non-nutrient chemicals.
d) Hormones act as intracellular messengers.
e) Chemical messengers produced in large amounts.