Page 58 - DK Children's Encyclopedia
P. 58
Cells SEE ALSO
▸ ▸ Body cells p.41
▸ ▸ Genes p.119
Living things are made from tiny parts that stick ▸ ▸ Heart p.128
together, called cells. Cells come in different shapes ▸ ▸ Photosynthesis
and sizes depending on the job they do. They can p.191
divide and make copies of themselves. ▸ ▸ Plants p.194
▸ ▸ Sickness p.225
Plant cell Cell wall Cytoplasm
Plant cells can collect air and make The strong outer This is the liquid inside Bacteria
the cell that everything
wall gives the
their own food from sunlight. They cell and plant else floats in. Chemicals Bacteria are living things
have a strong cell wall, which gives their shape. mix together here. made from just one cell.
the plant strong stems They can divide to make
and leaves. Cell membrane copies of themselves. This
is how germs spread and
The cell membrane is make us sick.
a barrier that keeps
the cytoplasm inside
the cell.
Nucleus
The nucleus
controls the cell
and contains
instructions
called genes.
Animal cell
Animal cells use oxygen to break down
sugar and make energy. Animals get sugar
from the food they eat, while oxygen gets
to the cells through the blood.
Cell membrane
Cytoplasm
Nucleus
Mitochondrion Vacuole
This is where energy Chloroplast The vacuole is a storage
from sugar is released Chloroplasts collect bubble filled with liquid
to power the different sunlight and use air and food, water, or waste. Mitochondrion
parts of the cell. water to make food.
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