Chemical Coordination and Integration
Hormones
- Hormones are chemical messengers that regulate the physiological processes in living organisms.
- These act upon specific target cells/tissues and organs.
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 |
Glands
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- Exocrine glands – Glands that d…
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