The Difference Between the Important Secretory Glands (Grade 12 NSC Matric Life Sciences): Flashcards
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Key feature of exocrine glands
Key feature of exocrine glands
Have ducts to carry secretions
Key features of endocrine glands
Key features of endocrine glands
Ductless; release hormones into bloodstream
Three examples of exocrine glands
Three examples of exocrine glands
Salivary, sweat, sebaceous glands
Three examples of endocrine glands
Three examples of endocrine glands
Pituitary, thyroid, pancreas
Why pancreas has dual function
Why pancreas has dual function
Works as both exocrine and endocrine gland
Definition of hormones
Definition of hormones
Chemical messengers
Amount of hormones needed for effect
Amount of hormones needed for effect
Very small amounts
Three main functions of hormones
Three main functions of hormones
Reproduction/growth; internal balance; metabolism regulation
Antagonistic hormone action
Antagonistic hormone action
Hormones with opposite effects maintaining control
Example of antagonistic hormones
Example of antagonistic hormones
Insulin (lowers glucose) & glucagon (raises glucose)