Structure
Controls
Purpose
Other Fun Facts
100

This is the main organ for respiration.

What are the Lungs?

100

It is the medical term for inhalation.

What is inspiration?

100

Respiration delivers this to all the body's cells.

What is Oxygen?

100

The lungs are covered by this pleural membrane.

What is visceral pleura?

200

Air enters through here first.

What is Nose/Mouth?

200
This is the medical term for exhalation

What is Expiration?

200

Respiration aims to remove this from the body.

What is Carbon Dioxide?

200

The chest wall is lined by this pleural membrane.

What is parietal pleura?

300

The Trachea (a.k.a. the windpipe) splits into how many primary bronchi?

How many is two?

300

This controls your breathing.

What is the Medulla?

300

Cells need Oxygen to make this. It is also know as your energy.

What is Adenosine triphosphate (ATP)?

300

This, in the alveoli, reduces surface tension so they don’t collapse

What is Surfactant?

400

These are tiny air sacs that air enters last and where gas exchange happens.

What are alveoli?

400

This helps adjust the rhythm of respiration and expiration.

What are the Pons?

400

Too much carbon dioxide increases your blood's ______.

What is acidity?

400

They sometimes lack surfactant and need help breathing.

What are premature babies?

500

These are known as the throat and the voice box and are the second and third pathways (respectively) that air passes through.

What are the Pharynx and the Larynx?

500

It determines whether Medulla should speed up or slow down.

What are Carbon Dioxide Levels?

500

This is the measure of acidity or alkalinity of blood.

What is Blood pH?

500

Gas exchange happens by this– oxygen moves from alveoli to blood, carbon dioxide moves from blood to alveoli.

What is diffusion?