Answer:
In the case of the algae, each individual cell is responsible for absorbing its own water. This makes the algae nonvascular compared to the highly vascular plant species. In this connection, algae also lack several key structures that are normally present in ordinary plants like the leaves, roots and stem.
A. Kidney
It is one of the major organs
The mesenteric veins and the hepatic portal vein
So we can protect ourselves from the same virus if it attacks again in the future
