Cells at Work! (はたらく細胞)

The human body contains about 37 trillion cells.

Each type of cell has its own role.

For example, red blood cells are responsible for transporting oxygen.

White blood cells fight off harmful substances that enter the body.

These cells work together with each other, every day, without stopping

which allows us, humans, to survive.

This is the Red Bone Marrow.

The place where blood cells are born and spend their childhood.

‎

This is the hometown for blood cells.

Here, blood cells are born from Hematopoietic Stem Cells

and selected according to their type.

Here, Red Blood Cells are born as precursor cells

will grow into cells called erythroblasts

and are educated by Macrophages.

Here you go.

Thank you.

Ms. Macrophage?

You...

Why are you here alone?

I love bullying small Red Blood Cells!

I love bullying small Red Blood Cells!

Threat detected!

A small White Blood Cell is trying to kill me?

I will protect you.

I will become a great White Blood Cell!

Big bro!

I hate these useless little cells!

It's okay now.

Thank goodness.

Mom was so worried.

Ms. Macrophage, I'm being bullied.

Don't cry.

Let's go back.

Congratulations on your graduation.

From today onwards, you will become Red Blood Cells

that receive oxygen in the lungs

and circulate it throughout the body.

Congratulations on your enucleation.

Don't get lost and succeed in your mission.

Yes! I swear to become a great Red Blood Cell.

Papa, time to wake up.

Oh geez.

Papa, wake up!

Papa, come on...

Wake up quickly!

Yuck.

Wake up! Wake up...

Thanks for the meal!

What is this?

Oh, tofu scramble. A healthy and low-calorie dish.

Why does it have to be a healthy menu? It's usually just an omelet.

Blood pressure, blood sugar, uric acid, cholesterol.

The results are out. There's no point in hiding them.

"Re-examination required. You need to improve your diet."

I feel responsible.

Then what is this "Fecal occult blood test: Positive"? Isn't this bad?

It's nothing. Just hemorrhoids.

Not funny at all.

- Get it checked at the hospital again. - Okay, okay.

I'm off.

Delivering carbon dioxide to the lungs,

receiving oxygen, then circulating it to the cells throughout the body.

I can do it.

I definitely can.

Let's go.

- Ah, get out of the way! - Ah, sorry.

There it is! A large blood vessel.

Hey, this is a one-way street.

Sorry.

What? Wrong way?

Attack!

From now on, this place is ours.

I will kill anyone who gets in my way.

I will protect you.

So this is where you were?

What a delicious-looking little one. I could just eat you up.

This is a Neutrophil Division White Blood Cell, number U-1146.

The attacking bacteria have been successfully eradicated.

Big Bro!

Thank you for your help.

When I grow up, I will definitely become a great Red Blood Cell.

I promise.

- Hey, what are you looking at? - Nothing.

Thank you for your help.

I'm just doing my job.

Oh, I mean... you're welcome.

Yes!

Kill! I'm gonna kill them no matter what!

- Scary, scary, scary. - He's cool.

He's different, huh?

Helper T Cell reporting.

We received a report that Pneumococcus have successfully entered the bloodstream.

Therefore, we are deploying Killer T Cells.

Helper T cells and Killer T cells.

Helper T Cell.

When I, Macrophage, inform that a virus or bacteria has entered the body,

they formulate an attack strategy and deploy Killer T Cells to fight.

Killer T Cell.

They will directly attack and destroy cells infected with bacteria or viruses.

They are reliable cells.

Don't be slow!

Yes, sir!

Hey, listen up!

If you see them, kill them within two seconds.

Cowards who let them escape will be sent to the spleen and never return!

Yes, sir!

They are Killer T Cells.

This is bad! If I don't kill them soon, they will divide.

What?

Be careful!

The pneumococcus's target is Red Blood Cells carrying nutrients.

So I'm about to head toward the ashes now.

Pneumococcus.

They will attack vital organs, then destroy this body.

Destroy? Wait. Don't leave me behind, please!

Lungs:

Organs that play a role in taking oxygen from the air into the body

and releasing carbon dioxide into the air.

We're here. These are the lungs.

Wow, it's so vast, isn't it.

My receptors are responding.

What's that?

A germ-detecting radar.

He's around here.

Where is it?

I'll kill him!

Couldn't the design be better?

He must be around here, I'll continue patrolling.

Okay, I'll continue taking the oxygen.

That's the direction of the bronchi.

Sorry.

You clumsy fool.

I've finally made it.

Alveolus:

The place where the exchange of oxygen

and carbon dioxide occurs between air and capillaries.

Alright, it's gas exchange time.

Huh?

Thank you.

For bringing me here.

This place is perfect for ambushing Red Blood Cells.

First of all, I will devour...

...you!

White Blood Cell?

As soon as I got away from you, the receptors stopped responding.

I was hesitant at first. But, it turns out he was hiding in your cargo.

How did you get here?

You need to learn more.

We, White Blood Cells, use diapedesis to pass through blood vessel walls and reach the enemy.

I won't let myself be killed after coming this far!

Let's run.

Wait!

Don't run away from me! You coward.

Red Blood Cell, take cover behind me.

Okay.

What's wrong, White Blood Cell?

It's just the three of us.

This is the end for you!

Die!

Not for us — only for you!

Hey, what's going on?

Bacteria successfully captured.

Bacterial eradication begins.

What's going on?

Alright.

What else?

What?

Hey, what's going on? Let me out!

It's useless.

That capsule can't be destroyed from the inside.

You’re in the killing machine from the lungs now...

Do you understand what that means?

Too much talk! Get me out.

Where are you going? Get me out!

You want a drink too?

Yes.

Put me down.

What is this?

Where is it being taken?

I told you. This is the killing machine.

Where are you taking me? Put me down!

Hey, stop!

Sneeze?

Countdown started.

Three, two, one, zero.

What's going on?

Hey, stop it! Hey!

Bye-bye, bacterium.

CELLS AT WORK!

Arata-senpai.

Good morning.

Oh, good morning, Niko.

Good morning.

- Math, huh? - Yes.

- Good luck. - Okay.

Bye.

Emergency alert!

Adrenaline rising!

Control failure!