Regulation

Extrinsic regulation
- Results from the activities of the nervous system or endocrine system, two organ systems that control or adjust the activities of many other systems simultaneously
- Ex. When you exercise, your nervous system issues commands that increase your heart rate so that blood will circulate faster
Intrinsic(Autoregulation)Regulation
- Occur when a cell, a tissue an organ or an organ system adjusts its activities automatically in response to some environmental changes
- Ex. When O2 levels decline in a tissue, the cell releases chemicals that dilate local blood vessels. This dilation increase the rate of blood flow and provides more O2 to the region.

Author

AHSJ1029

72694

Card Set

Regulation

Description

Extrinsic and Intrinsic

Updated

2011-03-14T00:20:36Z

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