Tag: Coronary Heart Disease

O Level Notes : Biology - Transport In Humans

zimsake Aug 30, 2021 0 1334

The human transport system is a system of tubes with a pump and valves to ensure one way blood flow. We need a transport system to deliver oxygen, nutrients and other substances to all our body cells, and take away waste products from them.

Tag: Coronary Heart Disease

O Level Notes : Biology - Transport In Humans

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