Atomic nucleus

That's the egg, and we all know how this story goes.

This is kind of the nucleus of the egg, but let's say that this is the sperm, and it has a tail that helps it swim, and it has 23 chromosomes.

You see these black dots? Those are the stable nuclides and all the other guys are radioactive.

Draw atomic nuclei

The quarks, these pink things, are the things that make up protons and neutrons that make up the atomic nuclei in your body.

Nuclear energy is produced by splitting atoms or by bringing them together.

So the atom is roughly on the scale of an angstrom.

It contains protons, neutrons and electrons.

One femtometer.

And this girl calls herself Tinker.

And the proton is actually the defining

In the case of a male, these would be sperm cells.

Think how many discoveries they represent.

Let me do that Y chromosome in a separate color.

One, two, three, four, five, six.

So that's a gamete and this is a gamete.

In which case, the nucleus... would be here.

One, two, three, four, five, six.

It's not just any cell in the body.

But a first mental model in your head is at the center of this atom, of this carbon 12 atom, you have this nucleus.

And that's where it gets philosophically interesting.

They just have a probability function.

The most stable nucleus is iron, right in the middle of the periodic table.

And this is where the system gets really interesting.

Just as an aside, this unification, this fertilization that occurred from this sperm cell to this egg cell, so it essentially penetrates into this egg cell and it creates this zygote, which is a fertilized egg cell from my mother, and this contains all DNA from both my father and my mother.

Well, the result has been very good.

We also all know that atoms are not the end of the story.

And I'll draw the sperm much larger than it is normally relatively to the egg.

But that's a good starting point.

And these electrons are jumping around this nucleus.

So that very first cell that was essentially my mom's egg fertilized by a sperm cell from my father, that was a zygote, and as soon as it's successfully fertilized, it has 2N, or it has the diploid number of chromosomes in the case of humans, which I believe I am one of them.

Difference human Neanderthal is sperm and testis, smell and skin.

There could've been 200 to 300 million other sperms in that race.

Where we left off after the meiosis videos is that we had two gametes.

They produce these gametes.

The fairy changed the prince into a cat.

There is now a new career path called stool donor.

And you need a sperm bank?

So imagine a ball that is as tall as a two story house.

My father's sperm somehow met my mother's egg, and they fused.

Junko is quite familiar with English.

No need for birth control, Doc, are you sure about that?

John, John, I looked at your chart.

Think atoms in a grapefruit like blueberries in the Earth.