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Page Facing Up

Theme B - Form & Function

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Direct Hit

Theme A - Unity & diversity

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Pill

Theme C - Interaction &  Interdependence

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Keycap Digit One

Theme D - Continuity & Change

Fun Fact: Ever watched a balloon inflate and deflate? Well, guess what, your lungs do something quite similar! Let&#39;s talk about how much air goes in and out.

<ul>
	<li>
	Tidal Volume (TV)

	<ul>
		<li>Like the tide of the ocean going in and out, this is the amount of fresh air we inhale and the same amount of used-up (stale) air we exhale during a normal breath.</li>
		<li>Think of it like taking a normal breath while reading your favorite book!</li>
	</ul>
	</li>
	<li>
	Ventilation Rate

	<ul>
		<li>How many times you inhale or exhale in one minute.</li>
		<li>Basically, it&#39;s like counting how many times a fish blinks its eyes in a minute (if only they blinked like we do!)</li>
	</ul>
	</li>
	<li>
	Vital Capacity (VC)

	<ul>
		<li>Imagine taking the DEEPEST breath you ever have, filling your lungs to the brim, and then exhaling every bit out. That&#39;s your vital capacity.</li>
		<li>It&#39;s like sucking up a big milkshake through a straw in one go!</li>
	</ul>
	</li>
	<li>
	Inspiratory Reserve Volume (IRV)

	<ul>
		<li>After you take a normal breath, this is the EXTRA amount you can inhale if you really push it.</li>
		<li>Think of it like overfilling your water balloon just a tad without it bursting.</li>
	</ul>
	</li>
	<li>
	Expiratory Reserve Volume (ERV)

	<ul>
		<li>After a normal exhale, it&#39;s the EXTRA amount you can still blow out.</li>
		<li>Imagine squeezing out that last bit of toothpaste from the tube.</li>
	</ul>
	</li>
</ul>

<ul>
	<li>
	Simple Apparatus: It&#39;s like blowing into a fancy bottle to see how much air you can trap. But, remember, just one breath at a time! Why? You don&#39;t want to get too much carbon dioxide built up. That&rsquo;s no bueno!
	</li>
	<li>
	Spirometers: The high-tech way! These devices measure the flow rate of air coming in and out of your lungs. It&#39;s like having a speedometer but for your breathing! And with tech advancing, some can even be linked to computers for cool graphs.
	</li>
</ul>

Etymology: It&#39;s like the backstory of words! Knowing this can help us decode scientific terms.

<ul>
	<li>
	pulmonarius 🫁 - Means &quot;lung&quot;. Next time you see a word starting with &#39;pulmo-&#39;, think LUNGS!
	</li>
	<li>
	alveus 🕳 - Means &quot;hollow vessel&quot;. &quot;Alveoli&quot; in our lungs are tiny hollow sacs where gas exchange occurs.
	</li>
	<li>
	ventus 🌬 - Means &quot;wind&quot;. Imagine the wind blowing through the trees, it&#39;s all about the movement of air!
	</li>
	<li>
	fundere 🚰 - Means &quot;to pour&quot;. Like pouring juice into a glass!
	</li>
	<li>
	diffundere 💧🚰 - Means &quot;to pour apart&quot;. Like when you pour water on a flat surface and it spreads out.
	</li>
</ul>

Why Latin, though? Latin was the &#39;universal&#39; language of science and medicine in the past. By having one standard language, scholars from different countries could understand each other&#39;s work. It&rsquo;s like everyone agreeing to use emojis! 🌍❤️📚

&nbsp;

🌟 Remember: Our lungs are super cool! They&#39;re like nature&#39;s balloons, helping us breathe, live, and even sing our favorite tunes! Knowing how they work is the key to understanding a big part of our biology. So, breathe easy and keep studying! 🎈🌬🎵

Unlock the Secrets of Lung Volumes!

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Higher Level

Biology HL

Theme B - Form & Function

Unlock the Secrets of Lung Volumes!

Table of content

Lung volumes & what they mean 🌬

Unlock the Full Content!

Theme B - Form & Function

Unlock the Secrets of Lung Volumes!

Table of content

Lung volumes & what they mean 🌬

Unlock the Full Content!