Endocrine glands secrete _

• Hormones

• Neurotransmitters

• A wide range of chemical substances

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

• chemical
• gland
• hormone
• duct

This gland is located between the lungs behind the sternum and secretes thymosin that helps mature WBC's in our bodies when we are children. 

• thyroid
• parathyroid
• thymus
• brain stem

What is gland #3?

• Adrenal Gland
• Pancreas
• Ovaries
• Testes

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Letter H is pointing to

• Thymus
• Pancreas
• Pituitary
• Pineal

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Letter I is pointing to

• Testes
• Oviducts
• Ovaries
• Adrenals

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Letter J is pointing to

• Ovaries

• Pineal Gland

• Adrenal

• Testes

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The gland labeled 4 in the diagram is?

• the thymus gland

• the thyroid gland

• the parathyroid glands

• the adrenal glands

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The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.

• Positive Feedback

• Negative Feedback

• Homeostasis

• Targeted Cells

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