Advanced Science Primary 5 Systems

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

A The human system has tubes, but the plant system does not.
B The human system has a pump to move fluids, but the plant system does not.
C The plant system transports oxygen, but the human system transports carbon dioxide.
D The plant system transports food, but the human system does not.
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Worked Solution

Step 1: Both systems use tubes (blood vessels vs xylem/phloem) and transport food and water. Step 2: The human circulatory system has a heart that acts as a pump to push blood around the body. Step 3: Plants do not have a heart or a pump; water moves up due to transpiration pull.

Correct answer: The human system has a pump to move fluids, but the plant system does not.

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