Neco Model Questions Vol1 2018 Biology Question 8

Practice essay / theory question 8 from the 2018 Neco Model Questions Vol1 Biology examination. This question covers Coordination .

Neco Model Questions Vol1 2018 Biology Essay / Theory

Topic: Coordination

Question 8 NECO_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • essay

The coordination of activities in the human body involves the nervous and endocrine systems.

Question Parts

( a )

Describe the pathway of a typical somatic reflex arc, from sensory reception to motor response, naming each neuron type and synapse involved.

( b )

The hormone cortisol is released in response to stress. Explain how cortisol action exemplifies a slower, longer‑lasting form of coordination compared with a reflex, citing at least two target tissues and the nature of the feedback regulation.

( c )

A patient suffers a lesion in the hypothalamic supraoptic nucleus. Predict the effect on water balance, specifying the hormone affected, its normal action, and the expected clinical symptom.

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About This Question

This is Neco Model Questions Vol1 2018 Biology Question 8. It is one of the essay questions from the 2018 Neco Model Questions Vol1 Biology examination.

The question covers Coordination .

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