Endocrine System

What is the endocrine system?

• senses the hormone levels in the blood
• controls all other endocrine glands
• A group of glands that work together with the nervous system to coordinate all body functions
• decreases bone calcium levels

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The purpose of the endocrine system is to

• maintain homeostasis by reacting quickly to stimuli

• produce substances that protect the body from bacteria

• maintain metabolism, growth and development in homeostasis

• transport molecules throughout the body

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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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The chemical product of an endocrine gland.

• Homeostasis

• Hormone

• Nerve Cell

• Neurotransmitter

The "master gland" of the endocrine system, a gland that controls many body activities.

• hormone

• pituitary gland

• hypothalamus

• adrenal gland

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NGSS.HS-LS1-3

What is the main function of the endocrine system?

• it creates chemicals 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

Which gland secretes insulin?

• Pancreas

• Ovaries

• Pituitary

• Thymus

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NGSS.HS-LS1-3

What hormone is responsible for the "fight or flight" response?

• Testosterone

• Cortisol

• Adrenaline

• Parathyroid Hormone

In what scenario might your body release adrenaline?

• when you're waking up from a long night's sleep

• when there isn't enough calcium in your bloodstream

• when you're threatened by a schoolyard bully

• when you've had too much to eat

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NGSS.HS-LS1-3

Insulin causes

• a decrease in the concentration of blood glucose

• a decrease in the permeability of cell membranes to glucose

• an increase in the production of glucose from glycogen

• a release of adrenaline into the body

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NGSS.HS-LS1-3