Biology Questions and Answers
Endocrine System
- What is the difference
between the endocrine gland
and the exocrine gland?
Endocrine secretions (called hgland is a gormones) arland whosee
collectetissues throd by the blood and reach thugh the circulation. Thee
hypophysis (pituitary) and the adrenals
are examExocrine gland is a gples of endocrine land whoseglands.
secretions are released externally
through ducts (into thlumen, mouth, etc.). Te skin, inthe sebaceestinalous
glands aexamples ond the salivary glaf exocrine glands.nds are
- What is the constitution of
the endocrine system?
The endocrine system isthe endocrine glands and the hormones constituted by (^)
they secrete.
- What is the histological
nature of the glands? How are
they formed?
The glands are epithelial tissues. They
are made of epithelium that dembryonic development invaginaturing theed
into other tissues.
In the exocrinhas preserved secretion de glands the invaginationucts. In the
endocrine glands the invagination is
complete aducts. nd there are no secretion- Why is the endocrine
system considered one of the
integrative systems of the
body? What is the other
physiological system that also
has this function?
The endocrine system is said to have
integrative character hormones produced by the endocrinesince the (^)
glands are substances that act at a
distancedifferent organs of and many othe body. So f them act inthe (^)
endocrine glands receive information
from somcan produce effects in other regionse regions of the body and they
providing functional integration for the
body.
Besides the endocrine system, the other
physiological systemintegrative function is the nervous that also has (^)
system. The nervous system integrates
the body through a network oconnected to central and peripheralf nerves
neurons. The endocrine system
integrates ththat travel through the circulation ae body through hormonesnd
are produced by the endocrine glands.
- What are hormones?
Hormones are substances secrthe endocrine glands and collected eted byby
the circulation that act to produce
effects upon specific organs and tissues.
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