GLENBROOK SOUTH HIGH SCHOOLHONORS BIOLOGY

UNIT 14 BEHAVIOR, ENDOCRINE SYSTEM & LEARNING

Obj. #2 Study in overview and complete the chart of vertebrate endocrine glands, their hormones, and their actions. (pages 7-8 in U.P.)

* The human endocrine system consists of more than 12 major glands. Some are involved in more than one body system.* Thyroid gland* Parathyroid glands* Hypothalamus* Pituitary gland* Adrenal glands* Pancreas* Ovaries* Testes

Obj. #1 Understand the nature of chemical signals which regulate body functions. In specific; hormones which are regulatory chemicals made and secreted by endocrine glands.

Hormones an Overview• The body’s main system for

internal chemical regulation is the endocrine system.

• A hormone is a regulatory chemical that travels from its production site through the blood to affect other sites in the body.

• Vertebrates make over 50 different hormones.

• Hormones are made and secreted mainly by organs called endocrine glands.

• Hormones travel in the blood to target cells, which respond to the hormones.

• Hormones govern our metabolic rate, growth, maturation, and reproduction.