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Science Department
3ndprep.
Unit four
Hormones
* Mention each of the following:
1. The disease results due to insulin hormones deficiency.
-----------------------------------------------------------------------------------------------------------2. The function of Adrenaline hormone in human body.
-----------------------------------------------------------------------------------------------------------3. The function if insulin hormone.
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* Write scientific explanation:
1. Dwarfism phenomenon in human.
-----------------------------------------------------------------------------------------------------------2. Diabetes disease is treated with insulin hormone
-----------------------------------------------------------------------------------------------------------3. Pituitary gland is known as “ master gland”
-----------------------------------------------------------------------------------------------------------4. Pancreas is a double functioned gland.
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* Complete the following:
1. Deficiency of -------------- hormone causes dwarfism.
2. ----------------- hormone is secreted, when the percent of glucose sugar in the blood
increased.
3. ------------- gland secretes ----------- hormone which controls the general growth of
the body.
4. When glucose level is increased in blood, pancreas secretes ---------- hormone
which stimulates the body to absorb ----------- from the blood.
* Put (√) or (X):
1. Exophthalmia goiter is resulted due to thyroxin hormone deficiency.
2. Dwarfism is a continuous growth of human limb bones, so the person become
giant.
3. Hormones are secreted by duct glands.
* What is meant by?
1. Endocrine glands
-----------------------------------------------------------------------------------------------------------2. Diabetes
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* Choose the correct answer:
1. The hormone which stimulate body organs to respond for emergencies is -----------.
(insulin – glucagon – Adrenalin – estrogen)
2. The hormone responsible for the appearance of the female secondary sex
characters is --------------. (estrogen – testosterone – insulin – thyroxin)
3. The hormone responsible for the appearance of the male secondary sex characters
---------------. (Estrogen – testosterone – insulin – thyroxin)
4. The hormone which its deficiency causes the enlargement of the thyroid gland is
------------. (Estrogen – insulin – thyroxin – glucagon)
5. The hormone which stimulates the storage of glucose sugar in liver is the
--------------. (Estrogen – insulin – thyroxin – glucagon)
6. The hormone which regulates the level of calcium in blood is the -------(calcitonin – thyroxin – adrenalin – progesterone)
7. Calcitonin hormone is secreted from ------------.
(Pancreas – thyroid gland – adrenalin gland – pituitary gland)
* Write the scientific term:
1. Chemical substance regulates most human activities and function.
2. Organs secrete hormones directly into blood stream.
* Correct the underline word:
1. Insulin hormone is responsible for appearance female secondary sex characters.
2. Thyroid gland secretes a hormone regulates the growth of human sex organs.
3. The highfeed is the mechanism by which hormones do their functions in human
body.
4. Iron element participates in the composition of thyroxin hormone.
* What would happen when ------?
1. The deficiency of growth hormone secretion in childhood.
-----------------------------------------------------------------------------------------------------------2. The deficiency of the thyroxin hormone secretion.
-----------------------------------------------------------------------------------------------------------3. Blood sugar level, when pancreas doesn’t secrete glucagon hormone.
-----------------------------------------------------------------------------------------------------------4. The secretion of the thyroxin hormone increased.
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* Draw a fully detailed diagram showing the feedback mechanism for
homeostasis and maintaining the human sugar.
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------* Draw a fully detailed diagram showing the relation between the
secretion of the thyroid stimulating hormone and thyroxin hormone.
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* Compare between:
1. The two testes and ovaries (in concern of their hormones and functions).
Gland
Testes
Ovaries
Hormone
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Function
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