Microsoft Excel 2002 offers two different voices that you can use with the Text to Speech feature. This article describes how to change the Text to Speech voice.icrosoft Excel 2002 offers two different voices that you can use with the Text to Speech feature. This article describes how to change the Text to Speech voice.
The endocrine system is made up of a network of glands. These glands secrete hormones to regulate many bodily functions, including growth and metabolism. Endocrine diseases are common and usually occur when glands produce an incorrect amount of hormones.
Introduction To The Endocrine System[edit] The endocrine system is a control system of ductless glands that secrete hormones within specific organs. Hormones act as messengers, and are carried by the bloodstream to different cells in the body, which interpret these messages and act on them.