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Module 1: Sistema nervioso

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Sobrevivir en condiciones cambiantes

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XSIQ
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Biology - Surviving Under Changing Conditions - Hormonal Systems

Hormonal Systems

Endocrine [1] glands produce hormones - substances of variable chemical
composition; for example, proteins, amino acids, peptides, steroids and
fatty acids. These are released directly into the bloodstream - though not
through ducts (therefore called ductless glands) - and provoke a response
on reaching target cells and tissues. Hormonal coordination and control
regulate physiological responses to changes in conditions.

You should be familiar with the major endocrine glands including:

* hypothalamus

* pituitary gland (the master gland which secretes at least 9 hormones
affecting other endocrine glands)

* thyroid and parathyroids

* adrenal glands

* pancreas (beta cells)

* testes/ovaries

You should also be familiar with the hormones these glands produce and the
target tissue or organ.

Endocrine system

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[1] http://alison.com/#