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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Which term refers to the body's use of energy for energy and growth?

• Excretion

• Metabolism

• Digestion

• Respiration

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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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An organ that produces secretions called hormones is known as a :

• chemical
• gland
• hormone
• duct

What is gland #3?

• Adrenal Gland
• Pancreas
• Ovaries
• Testes

Letter H is pointing to

• Thymus
• Pancreas
• Pituitary
• Pineal

Letter I is pointing to

• Testes
• Oviducts
• Ovaries
• Adrenals

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