Author: Freesciencelessons via YouTube
Go to Source

In this video, we look at the structure and functions of phloem. First we explore the role of phloem in transporting assimilates around the cell. We then look at phloem sieve elements and companion cells and see how they work together to transport assimilates.

Image Credits:

Leaf vascular bundle
https://commons.wikimedia.org/wiki/File:Angiosperm_Morphology_Midrib_Tissues_in_Ligustrum_Leaf_(36198194954).jpg
Berkshire Community College Bioscience Image Library, CC0, via Wikimedia Commons

Flax Stem
https://commons.wikimedia.org/wiki/File:Stem-histology-cross-section-tag.svg
SuperManu, Public domain, via Wikimedia Commons

Go to Source