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Chemical Coordination and Integration
Flash cards
Page 2


Chemical Coordination and Integration
Flash cards
The secretion of endocrine gland are called hormones.
•
Page 3


Chemical Coordination and Integration
Flash cards
The secretion of endocrine gland are called hormones.
•
Hormones are non-nutrient chemicals which act 
as intercellular messengers and are produced 
in trace amount.
•
Page 4


Chemical Coordination and Integration
Flash cards
The secretion of endocrine gland are called hormones.
•
Hormones are non-nutrient chemicals which act 
as intercellular messengers and are produced 
in trace amount.
•
The endocrine system comprises organized glands like 
pituitary and thyroid, along with diffused tissues in various 
organs, including the gastrointestinal tract, liver, kidney, and 
heart, producing hormones for regulating bodily functions.
Page 5


Chemical Coordination and Integration
Flash cards
The secretion of endocrine gland are called hormones.
•
Hormones are non-nutrient chemicals which act 
as intercellular messengers and are produced 
in trace amount.
•
The endocrine system comprises organized glands like 
pituitary and thyroid, along with diffused tissues in various 
organs, including the gastrointestinal tract, liver, kidney, and 
heart, producing hormones for regulating bodily functions.
The hyphothalamic hormone called Gonadotrophin
releasing hormone (GnRH) stimulates the pituitary to 
synthesis and release gonadotrophins.
•
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FAQs on Flashcards: Chemical Coordination and Integration - Biology Class 11 - NEET

1. What is chemical coordination and integration?
Chemical coordination and integration refer to the communication and regulation between different organs and tissues in the body through the release and response to chemical signals, such as hormones. This system helps to maintain homeostasis and coordinate various physiological processes.
2. How does the endocrine system play a role in chemical coordination?
The endocrine system plays a crucial role in chemical coordination. It consists of glands that secrete hormones directly into the bloodstream. These hormones travel to target cells or organs, where they bind to specific receptors, triggering a response. This allows for long-distance communication and coordination of various physiological processes.
3. What are some examples of hormones involved in chemical coordination and integration?
There are several hormones involved in chemical coordination and integration. Some examples include insulin, which regulates blood sugar levels; thyroid hormones, which control metabolism; adrenaline, which prepares the body for a fight-or-flight response; and estrogen and testosterone, which are involved in reproductive functions.
4. How does feedback mechanism regulate hormone levels in the body?
Feedback mechanisms play a vital role in regulating hormone levels in the body. Negative feedback is the most common mechanism, where the release of a hormone is inhibited once its levels reach a certain threshold. For example, when blood sugar levels rise, the pancreas releases insulin, which helps lower blood sugar. Once blood sugar levels normalize, the release of insulin is reduced to maintain balance.
5. How do disruptions in chemical coordination and integration affect the body?
Disruptions in chemical coordination and integration can have significant effects on the body. Hormonal imbalances can lead to various disorders, such as diabetes, thyroid disorders, and reproductive issues. These disruptions can cause symptoms like weight gain or loss, mood changes, fatigue, and impaired bodily functions. Proper diagnosis and treatment are necessary to restore balance and maintain overall health.
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