Paracrines
glands secrete chemical messengers called leucocytes?
Hormones
There are three main types of chemical waste. These include general chemical waste, highly reactive chemical waste, as well as chemically contaminated solid waste.
There are 3 main types of chemical bonds. The three main chemical bonds are Ionic, Hydrogen and Covenant.
Chemical peels are divided into three types: superficial, medium-depth, and deep.
Neurotransmitters are the chemical messengers of the body, transmitting impulses from one nerve cell to another. Many different types of neurotransmitters are known today, and imbalances associated with these small molecules have been blamed for a range of disorders of the nervous system. Hope this helps!
"hormones"
Neurotransmitter.
Hormones
Lund
the 3 key types of chemical reactions are synthesis, decomposition, and neutralization.
The three types of chemical reactions are: synthesis, decomposition, and replacement.