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.
The endocrine system controls the body activities by producing chemical substances called hormones are chemical messengers, secreted by ductless gland known as endocrine glands. Exocrine gland secrete their products into ducts or channels, that carry them either to the outside of the body or into body cavities.