11-7-07 - BIO 311D 11/7/2007 9:06:00 AM ANIMAL ENDOCRINE...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
BIO 311D 07/11/2007 10:06:00 ANIMAL ENDOCRINE SYSTEM Hormones have central roles in integrating the activities … Key Concepts: Animals have two systems of internal communication and regulation o The nervous system and the endocrine system Hormones may reach all parts of the body o But only certain types of cells, target cells, are equipped to respond to  certain hormones Many types of hormones influence gene transcription and protein synthesis in  target cells The hypothalamus and pituitary gland interact in ways to coordinate the  activities of endocrine glands nervous system—electrical signals: rapid, short duration endocrine system-chemical signals: longer response time, long acting hormones: organic molecules, formed and secreted in one location,  transported to another location where they are excreted Human endocrine system
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 5

11-7-07 - BIO 311D 11/7/2007 9:06:00 AM ANIMAL ENDOCRINE...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online