The average price of electricity for household consumers in the EU-28 (the prices for each EU Member State are weighted according to their consumption by the household sector) was EUR 0.208 per kWh in the second half of 2014.
The endocrine system comprises a number of glands that produce hormones with a varied array of vital functions. Hormones are chemical substances that are secreted by organs or by cells of organs in one part of the body and are carried by the bloodstream to other organs or tissues, where they control or regulate the development or function of those structures.
1. Whatâs a gland? Whatâs a hormone? How do glands and hormones work together? 2. How does the endocrine system work with other body systems, such as the nervous system and the circulatory system? 3. The body makes more than 20 hormones, each with a specific function. How is it that hormones know exactly which tissues and organs to communicate with? Describe this process. 4. The endocrine system not only produces hormones, but also has a self-regulating system that senses when to shut them off.