Chemical Coordination and Integration
Introduction to Human Endocrine System
Hormones are the organic chemicals produced by the body, which are released into the blood.
The key feature of the hormones is that they are secreted by the ductless glands. The glands that secrete hormones do not have ducts. Hormones are released directly into the blood stream and reach the target organ.
Differences between Hormonal Control and Nervous Control
|Hormonal Control||Nervous Control|
|Transmitted chemically through blood||Transmitted electro-chemically through nerve fibres|
|Transmitted slowly||Transmitted rapidly|
|Affects different organs||Affects specific organs|
|Is not affected by previous experience||Is affected by previous experience|
|Has both long lasting and short lasting effects||Has short lasting effect|
The endocrine system works in association with nervous system to control and coordinate our bodies. They contribute to the maintenance of homeostasis in our bodies.
Homeostasis is the capacity of an organism to adjust itself and cope up with external stress to maintain a steady state.
A cell, tissue, or an organ that secretes chemical messengers required for coordinating a specific function is called a gland. Glands are mainly divided into two broad categories - endocrine and exocrine.
These glands possess d…
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