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Nerves, Hormones and Homeostasis

The final topic for Standard Level (if you don’t need to go onto the Neurobio unit)

As usual, click on the shadowed images to see an animation.

– Essential Biology 6.5: Nerves, Hormones and Homeostasis

Introduction to the nervous system

YouTube video:

Loads of useful resources from Neuroscience for Kids

Reflex arc animation from msjensen.

Nerve impulses: resting potential and action potential

Cool tutorial from the Harvey Project

McGraw Hill nerve impulse animation

Nice and simple from mrothery

Another good one from Alberta Psychology

Propagation on myelinated and non-myelinated nerves from Blackwell Publishing

Synaptic Transmission

Great animation from McGraw Hill

Good tutorial from Harvard Outreach

Another WHS Freeman tutorial (lifewire)

The Endocrine System

Good visual introduction from Delmar Learning

Really good animation – lots of info – from e-learning for kids

Homeostasis

Tutorial and game from think-bank

Detailed tutorial from the University of New South Wales

Homeostasis in Newfoundland from Memorial University

Another good Freeman tutorial

Blood Glucose and Diabetes

MedMovie introduction

WebMD guide to diabetes

Link to Neurobiology and Behaviour: E4 – Neurotransmitters and Synapses

Cool music video from the Stanford students- Put some ACh into it:

If you can understand that, you’re doing well…

Why do gecko tails hop around when they drop off?

Here is a great article from Wired.com and shows tbe potential of video analysis in science. It’s a great topic for Indonesia, too!

Here’s a quote from researcher Anthony Russell of the University of Calgary, trying to explain the randomness of the tail movements:

“The tail is buying the animal that shed it some time to get away,” Russell said. If the tail simply moved rhythmically back and forth, predators would quickly recognize a pattern and realize they’d been duped. Unpredictable tail movements keep predators occupied longer, and in some cases, they may even allow the tail itself to escape.

“Leopard geckos store fat in their tail, and a lot of their resources are tied up in there,” Russell said. “The tail may move far enough away that it actually evades the predator, so that the owner can come back and eat its own tail to recoup some of the resources.”

If you want more, head on over to Wired for the full article.

Think about how this topic relates to Option E: Neurobiology and Behaviour.

How could this research lead to progress in treating spinal injuries?

And take care not to tread on a gecko on the way home…

Nerves, Hormones and Homeostasis

The final topic for Standard Level!

For updated versions of this post (and more to do with drugs), please click here:

Nerves, Hormones and Homeostasis

Neurotransmitters, Synapses and Drugs

As usual, click on the shadowed images to see an animation.

Introduction to the nervous system

YouTube video:

Loads of useful resources from Neuroscience for Kids

Reflex arc animation from msjensen.

Nerve impulses: resting potential and action potential

Cool tutorial from the Harvey Project

McGraw Hill nerve impulse animation

Nice and simple from mrothery

Another good one from Alberta Psychology

Propagation on myelinated and non-myelinated nerves from Blackwell Publishing

Synaptic Transmission

Great animation from McGraw Hill

Good tutorial from Harvard Outreach

Another WHS Freeman tutorial (lifewire)

The Endocrine System

Good visual introduction from Delmar Learning

Really good animation – lots of info – from e-learning for kids

Homeostasis

Tutorial and game from think-bank

Detailed tutorial from the University of New South Wales

Homeostasis in Newfoundland from Memorial University

Another good Freeman tutorial

Blood Glucose and Diabetes

MedMovie introduction

WebMD guide to diabetes

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