Page 220 - New Medley 4 Semester 1
P. 220
The midvein and side veins
have small tubes inside
them. These tubes are
called xylem and phloem.
What do xylem
and phloem do?
Xylem Phloem
Xylem carries water from roots to
leaves and phloem carries food from
leaves to the other parts of a plant.
Now, the teacher explains inside of a What does chlorophyll do?
leaf as seen under a microscope.
There are many layers of cells inside a leaf.
These cells have a green pigment called
chlorophyll. There are many small openings
on the lower surface of the leaf. They are Chlorophyll gives green colour
called stomata. Stomata are protected by to the leaves and helps plants
two guard cells. in making food.
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