Endocrine System

Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

What is the endocrine system?

• A system of vessels that circulates blood around the body.

• A group of bones and tissue that provides support and structure for the body.

• A group of glands that work together with the nervous system to coordinate all body functions

• A group of organs that is responsible for eliminating wastes.

The "master gland" is known as the __________________.

• thyroid gland.

• adrenal gland.

• pancreas.

• pituitary gland.

Which of the following are chemicals that travel in the blood and cause changes in different parts of the body?

• Hormones

• Glands

• Parathyroid

• Adrenal Gland

Feedback loops are important because they allow organisms and the environment to

• change based on new inputs

• fall apart

• change based on new outputs

• maintain balance

The hormones of the Endocrine System only affect the area of the body that is near the gland

• True

• False

Hormones travel around the body by way of the

• digestive system

• circulatory system

• nervous sysem

• respiratory system

the type of cell on which a given endocrine hormone has an effect is called the __________ cell

• target

• host

• infected

• skin

This gland helps during times of stress releasing epinephrine during the fight or flight response

• pituitary

• thyroid

• adrenal

• ovaries

In women, this gland releases sex hormones called estrogen, progesterone and testosterone

• testes

• ovaries

• adrenal

• parathyroid