6 Questions
Endocrine glands are commonly referred to as _______ glands because hormones diffuse directly into the bloodstream.
ductless
Hormones are chemical messengers secreted into the blood by endocrine glands and carried to target tissues and organs to regulate total body ________.
metabolism
The body's chemical messenger systems interact to maintain ________.
homeostasis
Homeostasis of the internal environment is maintained partly by the ANS and the ________ system.
endocrine
Chemical messengers are secreted in response to neural stimuli, blurring the distinction between the nervous and endocrine systems based on the chemicals they ________.
release
The ANS is concerned with rapid changes, while endocrine control is mainly involved in slower and more precise ________.
adjustments
Study Notes
Endocrine Glands
- Groups of secretory cells surrounded by an extensive network of capillaries, facilitating diffusion of hormones into the bloodstream
- Commonly referred to as ductless glands because hormones diffuse directly into the bloodstream
Hormones
- Chemical messengers or regulatory molecules secreted into the blood by endocrine glands
- Regulate total body metabolism, growth, and reproduction
- Carried in the bloodstream to target tissues and organs
Homeostasis
- The body's chemical messenger systems interact with one another to maintain homeostasis
- Homeostasis of the internal environment maintained partly by the ANS and endocrine system
Autonomic Nervous System (ANS) and Endocrine System
- ANS concerned with rapid changes, while endocrine control involved in slower and more precise adjustments
- Some chemical messengers secreted due to response to neural stimuli, making a sharp distinction between the nervous and endocrine systems not always possible on the basis of the chemicals they release.
Test your knowledge on endocrine glands and hormones with this quiz. Learn about the secretory cells, hormone diffusion, and the role of hormones in regulating target tissues and organs.
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