Institute of Human Anatomy

Hey everyone,

We heard your feedback regarding the AI visuals in the recent adrenaline video and really appreciated the honesty. We’ve officially removed them and re-uploaded a clean version to keep our focus 100% on the real human anatomy you expect from us.

Watch the new version here 👇 Thanks once again for the feedback! We really appreciate it.

1 hour ago | [YT] | 36

Institute of Human Anatomy

Hey guys, just wanted to take a quick moment to thank everyone who left a message about my brother in the recent video. These stories help us teach you more, and I'll definitely share your messages with him! Thanks

- Jonathan

4 days ago | [YT] | 2,477

Institute of Human Anatomy

🍆 Ever wake up like that? This week, let's talk about Morning Wood!

Okay, let's be real. That morning "situation" isn't always because of a spicy dream. It's got a super scientific name: Nocturnal Penile Tumescence (NPT), and we're breaking down exactly why it happens! It’s basically an alert checking in on your reproductive health, but why?

Let's explore the fascinating anatomy and physiology behind this nightly "wake-up call", from how your brain and hormones team up with unbelievably fast blood flow (we're talking a full erection in just 5–10 seconds!) to keep your tissues healthy and oxygenated.

Check it out here 👉 https://youtu.be/wLSHJ_B96K0

What other weird or cool things about the human body do you want us to dive into and explain next? Drop your anatomy questions below! 👇

Skip the Carousel

1 2

1 week ago | [YT] | 1,044

Institute of Human Anatomy

😵 That annoying, involuntary spasm known as a hiccup is a rapid contraction of the diaphragm, caused by the sudden irritation of the primary nerve that innervates that muscle. What is this major nerve called?

3 weeks ago | [YT] | 1,502

Institute of Human Anatomy

🚽 When you feel a sudden, urgent, and sometimes painful need to run to the bathroom, this is often due to a strong wave of involuntary muscular contraction sweeping through the large intestine. What is the technical term for this wave-like movement that pushes contents through the digestive tract?

1 month ago | [YT] | 1,176

Institute of Human Anatomy

Quiz Time!


That annoying, uncontrollable little spasm or twitching of the eyelid (myokymia) is a common nuisance linked to stress and fatigue. What is the specific name of the muscle that is rapidly and involuntarily contracting to cause this twitch?

1 month ago | [YT] | 1,117

Institute of Human Anatomy

Is the "Zombie Virus" real? Rabies can be absolutely terrifying , and some would even go as far as to say that it can create literal zombies. We expose the truth behind one of the deadliest viruses on Earth, using cadaver dissections to show exactly what happens inside the nervous system when the rabies virus attacks your brain

Watch here 👉 https://youtu.be/B4CV28zTpPY

#instituteofhumananatomy #ioha #rabies

1 month ago | [YT] | 826

Institute of Human Anatomy

Time for a new Quiz!

That uncomfortable "pins and needles" feeling (paresthesia) when your hand or foot "falls asleep" is caused by temporary pressure on which part of your anatomy?

1 month ago | [YT] | 1,211

Institute of Human Anatomy

We're calling exercise the "Magic Bullet," but why? 🤔

Everyone knows exercise is "good for you," but did you know it literally grows more blood vessels to your heart , increases your bone density , and helps you fight off infectious diseases? It's basically a physiological system upgrade.

So, for those of you who work out, what's the single most surprising health perk you've experienced or learned about?

Is it:
The Mental Health Boost (Natural anti-depressant/sleep aid) 🧠
The Longevity/Anti-Aging Factor (Saving fast-twitch fibers) 💪
The Metabolic Control (Fixing insulin sensitivity) 🩸

If you want to learn more, check the full breakdown here 👉 https://youtu.be/MgweHju5ktA

Skip the Carousel

1 2

1 month ago | [YT] | 1,091

Institute of Human Anatomy

Your skull is only the first defense. Inside your head is a secret anatomical hydraulic system that makes your 3-pound brain 95% lighter, a massive fortress of layers protecting you from disaster every day.

In our new cadaver video, we're dissecting the anatomy that literally saves your life. Click to see the unbreakable truth: https://youtu.be/j3_1PzJj3kQ

The brain is an amazing maze to discover, What other hidden processes or anatomical mysteries do you want us to explore next inside your most powerful organ?

#anatomy #ioha #instituteofhumananatomy

Skip the Carousel

1 2

1 month ago (edited) | [YT] | 1,797