Neco Model Questions Vol1 2017 Biology Question 5

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

Neco Model Questions Vol1 2017 Biology Essay / Theory

Topic: Transport

Question 5 NECO_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • essay

The circulatory system transports substances throughout the human body.

Question Parts

( a )

Describe the complete pathway that blood follows from the left ventricle of the heart to the capillary beds of a skeletal muscle and back to the right atrium, naming all major vessels encountered.

( b )

Explain the functional importance of valves in the veins of the lower limbs.

( c )

Identify two factors that influence the rate of diffusion of nutrients across capillary walls and describe how each factor affects the diffusion rate.

( d )

A person suffers a sudden fall in arterial blood pressure due to blood loss. Discuss two physiological adjustments that the body makes to restore adequate blood flow to vital organs.

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About This Question

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

The question covers Transport .

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