The pee you just flushed without thinking could be a great sample to know what is going on in your body!

Our bones are multi-functional body builders, but perhaps their most mysterious function is the production of blood. Scientists now think they have a pretty good idea why this is where our blood gets made.

Paul Andersen describes how cells move materials across the cell membrane. All movement can be classified as passive or active. Passive transport, like diffusion, requires no energy as particles move along their gradient. Active...

You may have heard the rumor. Every seven years your body becomes a whole new person. But is there anything to this? Check out this SciShow episode to find out!

Your cell phone is mainly made of plastics and metals. It's easy to appreciate the process by which those elements add up to something so useful. But there's another story we don't hear about -- how did we get our raw ingredients in the...

When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...

Bones might seem rock-solid, but they’re actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with...

Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.

Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma...

Blood banks need a constant supply of donors to maintain their supply, but some enzymes that are already in our bodies might be able to help!

Since your body is already pretty good at healing itself, does icing an injury actually help?

Howcast - Learn about bone marrow transplant as a treatment for testicular cancer in this Howcast video.

Pupil outcome: I can use a range of meaningful and relevant evidence to support my language analysis. Key learning points: - When looking for quotations useful for analysis, we need to ensure our evidence is relevant and meaningful. -...

Haemolysins are exotoxins produced by bacteria that lyse red blood cells. The haemolytic reaction can be visualized on blood agar plates. This media is used for cultivation of fastidious organisms and studying haemolytic reactions. It...

Reagents- 3% Hydrogen peroxide Principle- This test demonstrate the presence of catalase, an enzyme that catalyses the release of oxygen from hydrogen peroxide (H2O2). It is used to differentiate those bacteria that produce an enzyme...

Blood grouping is based on the presence of specific antigens—A, B, and H—on red blood cells, encoded by the ABO gene system. Individuals with blood type A have A antigens and anti-B antibodies, B has B antigens and anti-A antibodies, AB...

In this video, we explore the fascinating world of bones in the human body. We learn that babies are born with over 300 bones, which gradually fuse to form a full skeleton of 206 bones by early adulthood. Bones are not just lifeless...

Que consta de más de una célula. <br/<br/>>

Twig - Biología

Donating blood can lead to weight loss, but this loss is not significant. As covered in this video, the average donation is 1 pint of blood, which weighs about 1 pound; so right off the bat, youre walking out of the donation center 1...

Breathing faster or deeper than necessary. It can happen voluntarily, or as a result of panic or excitement, or due to a medical condition.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

In biology, plasma refers to the liquid component of blood, in which blood cells are suspended.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

Made up of more than one cell.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...

A gaseous state of matter which contains a significant proportion of electrically charged particles called ions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...

In this video, we cover:

- A quick recap of what stem cell
s are
- How stem cells can be used to treat conditions like diabetes, paralysis and sickle cel
l anaemia
- The risks involved with stem
cell treatment...