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Hormonal Action

The document outlines the coordination of the nervous and endocrine systems, highlighting that the nervous system provides rapid, immediate responses through nerve impulses, while the endocrine system uses hormones for slower, longer-lasting effects. Hormones are released by endocrine glands into the bloodstream and affect target organs by modifying their activity. The document also notes that hormones are temporary in the blood and are eventually broken down by the liver and excreted by the kidneys.

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debjani.bhattacharya
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9 views1 page

Hormonal Action

The document outlines the coordination of the nervous and endocrine systems, highlighting that the nervous system provides rapid, immediate responses through nerve impulses, while the endocrine system uses hormones for slower, longer-lasting effects. Hormones are released by endocrine glands into the bloodstream and affect target organs by modifying their activity. The document also notes that hormones are temporary in the blood and are eventually broken down by the liver and excreted by the kidneys.

Uploaded by

debjani.bhattacharya
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPTX, PDF, TXT or read online on Scribd
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Hormones

Coordination by the
Nervous and Endocrine
Systems:
• Coordination is rapid and precise.
• Nerve impulses travel up to 100 m/s.
Nervous System: • Responses are almost immediate.
• Impulses target specific body parts.

• Uses hormones (chemical messengers).


• Hormones are released by endocrine glands into the bloodstream.
Endocrine System: • Hormones affect target organs by speeding up, slowing down, or altering
activity.

• Hormones are temporary in the blood.


Hormone Duration: • Broken down by the liver and excreted by the kidneys.
• Example: Insulin remains active for 4–8 hours.

• Nervous system: fast, short-term, specific.


Comparison: • Endocrine system: slower, longer-lasting, widespread effects.

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