Define the term hormone and explain its general characteristics.
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Hormones are biological catalysts.
Characteristics of hormones :
• Hormones are secreted by the endocrine gland directly into the blood.
• Hormones are the chemical messengers.
• The hormones regulate the behavior of the target cells.
•Hormones do not catalyze any reaction.
•They are secreted only when needed.
•They are not stored in your body.
•Hormones may be proteinaceous or non-proteinaceous in nature (amino-acids or steroids).
•The secretion of hormones is regulated by the nervous system through the feed back effect.
•Hormones usually cause long term effects like change in behavior, growth, etc.
•The hormones function is to stimulate or inhibit the target organs.
Characteristics of hormones :
• Hormones are secreted by the endocrine gland directly into the blood.
• Hormones are the chemical messengers.
• The hormones regulate the behavior of the target cells.
•Hormones do not catalyze any reaction.
•They are secreted only when needed.
•They are not stored in your body.
•Hormones may be proteinaceous or non-proteinaceous in nature (amino-acids or steroids).
•The secretion of hormones is regulated by the nervous system through the feed back effect.
•Hormones usually cause long term effects like change in behavior, growth, etc.
•The hormones function is to stimulate or inhibit the target organs.
noitsmeenal:
There's a mistake in the definition, sorry. Hormones are the chemical substances secreted by the endrocine gland that controls and regulates the activity of certain cells or organs.
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