The Endocrine System and Reproduction ✤ ` Grade 9 Science 2011 Tuesday, November 1, 2011
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The Endocrine System and Reproduction
✤ `Grade 9 Science
2011
Tuesday, November 1, 2011
Essential Questions
How does the Endocrine system control body processes?
What are the Endocrine glands?
What do Endocrine glands do?
What is a hormone?
Key Terms:endocrine gland - hormone - target cell - hypothalamus, pituitary gland.
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What is different?
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What is different?
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What is different?
What caused these effects?
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What is different?
What caused these effects?
..and these effects?
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What is different?
What caused these effects?
..and these effects?
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Endocrine glands regulate the changes that occur as a young boy
grows.
What is different?
What caused these effects?
..and these effects?
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What caused this fun, exciting, exhilarating
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What caused this fun, exciting, exhilarating
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What caused this fun, exciting, exhilarating
ride
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What caused this fun, exciting, exhilarating
ride
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What caused this fun, exciting, exhilarating
ride to become a tortuous experience.
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How much did that hurt?
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`When people are badly frightened, their bodies react in different ways.
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`When people are badly frightened, their bodies react in different ways.
Perspiration on the forehead, rushing of blood to the heart and rapid heartbeat are all physical
reactions caused by the body’s endocrine system.
Tuesday, November 1, 2011
Essential Questions
How does the Endocrine system control body processes?
What are the Endocrine glands?
What do Endocrine glands do?
What is a hormone?
Key Terms:endocrine gland - hormone - target cell - hypothalamus, pituitary gland.
Tuesday, November 1, 2011
What is the Endocrine system?
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What is the Endocrine system?
The endocrine system produces chemicals that control many of the body’s daily activities.
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What is the Endocrine system?
The endocrine system produces chemicals that control many of the body’s daily activities.
It also regulates the long term changes such as growth and development.
Tuesday, November 1, 2011
What is the Endocrine system?
The endocrine system produces chemicals that control many of the body’s daily activities.
It also regulates the long term changes such as growth and development.
It is made of glands which are organs that produce or release a chemical called a hormone.
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What is a Hormone?
The chemical product of a Gland is called a hormone. They turn on, off,speed up or slow down the activities of different organs.
Hormone Production- hormones are released from the glands by nerve impulses or other hormones and are produced in the glands.
They tell cells called target cells what to do and only specific target cells respond to specific hormones.
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Function of the Endocrine Glands
Each gland releases different hormones and thus controls different processes.
The endocrine glands, include the hypothalamus, pituitary, thyroid, parathyroid, adrenal, thymus and pancreas. They also include the ovaries in females and the testes in males.
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The Hypothalamus
It regulates and controls the Pituitary Gland and plays a role controlling other glands.
Is the link between the Nervous system and Endo. system. E.g nerve messages controlling sleep and hunger come from the Hypothalamus.
It is a tiny part of the brain, near the middle of the head.
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Pituitary GlandIt is just below the hypothalamus gland and it communicates with the it to control many activities.
It produces three hormones :
1 Stimulates the Thyroid to produce hormones.
2. A hormone that targets the kidneys
3. A pituitary growth hormone which targets bones and muscles.
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Body Atlas: Glands and Hormones. Answer the Question bank in lesson 1. on the class website.
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Task:
With a partner match use the Functions of the Endocrine system and match them to the labels.
Hwork: Finish this activity.
Tuesday, November 1, 2011
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