Chapter 18 Section 1 The Endocrine System

What is a hormone? Explain how hormones reach the cells where they have their effect.

A hormone is a chemical substance produced by an endocrine gland. Once released into the bloodstream, a hormone travels to its target cells, Where it turns on, turns off, speeds up, or slows down.

Puberty

Puberty is the period of sexual development during which a person becomes sexually mature and physically able to reproduce.

What roles does the endocrine system play in the body?

The endocrine system regulates long term changes in the body. Such as growth and development.

Describe the general roles of the endocrine system.

The endocrine system regulates long-term changes in the body such as growth and development. It also controls many of your body's daily activities.

Hypothalamus

The hypothalamus, an endocrine gland located in the brain, is actually part of both the nervous and the endocrine systems.

Pituitary gland

The pituitary gland controls other endocrine glands and regulates growth rate, reproduction, and metabolism.

Hormone

A chemical substance produced by an endocrine gland is known as a hormone.

Endocrine gland

An endocrine gland produces and releases chemical substances that signal changes in other parts of the body.

What is the hypothalamus? How does it interact with the pituitary gland?

The hypothalamus is an endocrine gland located in the brain, part of both the nervous and endocrine systems. This interacts with the pituitary gland because the hypothalamus is in the brain and so it the pituitary gland and is part of the endocrine systems.

List the glands of the endocrine system.

There is the thyroid gland, parathyroid gland, pituitary gland, thymus gland, and the adrenal gland.

Identify the glands of the endocrine system.

There is the thyroid gland, the parathyroid gland, the pituitary gland, the thymus gland, and the adrenal gland.