presentation of a cell for primary education.

1. Egg anatomy.
Some examples of
great eggs.

2. Anatomy of an egg.
The egg contains the biggest cell that can be found in
nature, the cell is called ooplasm. It is formed by the yolk
and the germinal disk which contains the nucleus. All is
surrounded by the Viteline Membrane.

3. The greatest egg.
The ostrich, which is the
biggest bird, produces the
greatest egg. It lives in
Africa.
An ostrich egg weights
nearly 1.5 kilograms, that is
equivalent to 25 hen eggs.

4. What comes out of an ostrich´s egg?
An ostrich chick.
Or a huge fried egg.

5. Other big birds.
The emu lives in Australia,
just like the cassowary. Take
a look at their weird eggs!

6. Other big birds.
The Greater Rhea is the biggest bird of America, it lives in
South America, in spanish it is called Ñandu.

7. There is a wide array of eggs shapes,
colours and sizes.

8. Thank you
fellows for
your
attention.