Waec Model Questions Vol1 2017 Biology Question 5

Practice essay / theory question 5 from the 2017 Waec Model Questions Vol1 Biology examination. This question covers Transport .

Waec Model Questions Vol1 2017 Biology Essay / Theory

Topic: Transport

Question 5 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • essay

The circulatory system transports blood, nutrients and gases throughout the human body.

Question Parts

( a )

Describe the complete pathway of blood starting from the right atrium and ending at the left atrium, naming all major chambers and vessels encountered.

( b )

Explain how the structural features of capillaries enable efficient exchange of nutrients, gases and metabolic wastes between blood and tissues.

( c )

A person suffers a sudden fall in arterial blood pressure. Discuss the physiological mechanisms that are activated to restore normal pressure, indicating the role of receptors, nerves and hormones.

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About This Question

This is Waec Model Questions Vol1 2017 Biology Question 5. It is one of the essay questions from the 2017 Waec Model Questions Vol1 Biology examination.

The question covers Transport .

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