HORMONES
Endocrine glands secrete chemical messengers called hormones. These chemicals are secreted directly into the bloodstream, where they are carried by the circulatory system to target tissues throughout the body.
endocrine system
i think is hormones
The endocrine system controls the body by means of chemical molecules called hormones.
Endocrine glands are known master chemist of the body because the manufacture chemical substances called hormones. hope that helps :) -Aby-
Endocrine glands secrete chemical messengers called hormones. These chemicals are secreted directly into the bloodstream, where they are carried by the circulatory system to target tissues throughout the body.
Endocrine glands secrete chemical messengers called hormones. These chemicals are secreted directly into the bloodstream, where they are carried by the circulatory system to target tissues throughout the body.
endocrine system
endocrine system
This substance is called bile.
Endocrine glands secrete chemicals called hormones directly into the bloodstream, influencing the activity of the muscles and organs.
The message of endocrine glands consists of the chemical secretions known as hormones that are made by the endocrine system's ductless glands. Hormones are secreted into blood for their transportation to target organs, which are their specific site of action.
endocrine system
i think is hormones
hormoneshormones
There is not just one chemical secreted into synapses (the gaps between neurons); instead, there are many chemicals secreted from the terminal buttons of neurons into the synapses. They are called "neurotransmitters."
The endocrine system controls the body by means of chemical molecules called hormones.