Neco Model Questions Vol1 2020 Biology Question 8

Practice essay / theory question 8 from the 2020 Neco Model Questions Vol1 Biology examination. This question covers Coordination, Endocrine system .

Neco Model Questions Vol1 2020 Biology Essay / Theory
Topics: Coordination Endocrine system
Question 8 NECO_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay
Neco Model Questions Vol1 2020 Biology Question 8 diagram

The diagram shows the major endocrine glands of the human body and the principal hormones they secrete. Each gland is labelled G1, G2, G3, G4 and G5.

Question Parts

( a )
Identify the gland labelled G1 and list two hormones it secretes. For each hormone, state one physiological effect.
( ) Identify the gland labelled G1.
( ) List two hormones secreted by this gland.
( ) State one physiological effect of each hormone listed.
( b )
The hormone cortisol is secreted by the gland labelled G2. Explain how cortisol helps the body respond to prolonged stress, addressing both metabolic and immune aspects.
( c )
Describe the negative feedback loop that controls the secretion of thyroid hormones. In your answer, name the hypothalamic releasing factor, the pituitary hormone, the thyroid hormone, and the target organ. Then discuss the likely clinical manifestations if this feedback is disrupted resulting in hyperthyroidism.

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About This Question

This is Neco Model Questions Vol1 2020 Biology Question 8. It is one of the essay questions from the 2020 Neco Model Questions Vol1 Biology examination.

The question covers Coordination, Endocrine system .

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