The 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.

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What is the main function of the endocrine system?

• It creates chemicals, or hormones, that are sent around the body to maintain homeostasis.

• It creates electrical messages that are sent around the body to maintain homeostasis.

• It maintains the correct level of oxygen in the body to maintain homeostasis.

• It releases waste from the body to maintain homeostasis.

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The "master gland" is known as the __________________.

• thyroid gland.

• adrenal gland.

• pancreas.

• pituitary gland.

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The gland that stimulates body metabolism

• Thyroid
• testes
• ovary
• adrenal

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The adrenal glands release adrenaline to help the body regulate _________________.

• diseases

• body temperature.

• stress.

• hormones.

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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

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The response to stress is called

• Stay or Stray Response

• Fight or Stay Response

• Flee or Stray Response

• Fight or Flight Response

Hormone regulation operates under which type of feedback mechanism?

• positive feedback

• negative feedback

• zero feedback

• Hormones are not regulated

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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

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