The hypothalamus also controls the pituitary glands, which then controls the release of hormones from other glands in the endocrine system. 1  Article. 2  Article. 3  Up Next. 4  Up Next. 5  Up Next.
Definition of bronze for English Language Learners. : 1  a metal that is made by combining copper and tin. : 2  something (such as a statue) that is made of bronze. : 3  a yellowish-brown color.
Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon. These additions produce a range of alloys that may be harder than copper alone, or have other useful properties, such as stiffness, ductility, or machinability. The archeological period where bronze was the hardest metal in widespread use is known as the Bronze Age. Beginning of the Bronze Age in