Answer:
In animals, chemical
coordination is achieved through the agency of hormones which function as
chemical messengers or informational molecules. Hormones are secreted in a very
small amount by specialized tissues in the body called endocrine glands. These
glands are ductless and pour their secretions directly into blood. Blood
transports them to the target tissues/org Hormones coordinate the activities of
living organisms and also their growth. For example, pancreas secretes two
hormones?insulin and glucagon.
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