- Definition & Examples. Homeostasis can be defined as a property of an organism or system that helps it maintain its parameters within a normal range of values. It is key to life, and failures in homeostasis can lead to diseases like hypertension and diabetes.
How to edit PDF files: 1  Open a file in Acrobat. 2  Click on the Edit PDF tool in the right pane. 3  Click the text or image you wish to edit. Acrobat shows you the tools youâll need.  Add or edit text on the page. Lines and paragraphs reflow automatically, or you can click and drag to resize elements.
PDF online Editor. 1  Add text, shapes, whiteout & more to PDF files. 2  Move, delete, & insert PDF pages. 3  Create links to other PDF pages or web content.  Change PDF information 1  tags. Encrypt PDF contents using a password.  Add images to PDF 1  files. Sign PDF documents using your scanned signature.