Standard Science Primary 5 Systems

Which of the following correctly describes a difference between the human circulatory system and the plant transport system?

A The human system consists of tubes, but the plant system does not.
B The human system has an organ (heart) to pump fluids, but the plant system does not.
C The human system transports water, but the plant system does not.
D The human system transports food, but the plant system does not.
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Worked Solution

Step 1: Both systems have tube-like structures for transport. Step 2: Both transport water, nutrients/food, and minerals. Step 3: The human circulatory system uses the heart to pump blood, while plants rely on root pressure and transpiration pull, lacking a central pump.

Correct answer: The human system has an organ (heart) to pump fluids, but the plant system does not.

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