IB Biology Sub-topic B3.2 Definitions
This page contains our IB Biology definitions for sub-topic B3.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Transport'.
cavitation
When a stream of water is broken in a xylem, which cannot be repaired and renders the xylem unusable
phloem
Plant vessels that transport organic compounds from sugar production sources to sugar storage sinks
pulmonary circulation
The circulation that carries unoxygenated blood through the lungs to be oxygenated and sent back to the heart
systemic circulation
The circulation that supplies oxygenated blood to the body and brings unoxygenated blood back to the heart
xylems
Plant vessels that transport water to replace the losses of transpiration
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