Category Archives: Body 101

How do Pain Relievers work?

Ever wondered how 2 tiny Advils can make a headache or sore muscles fade away?    TEDed, the new educational arm of TED, explains with a short, informative video.

Your body recognizes pain with nerve cells called nociceptors.  When nociceptors are triggered to fire (i.e. send a nerve impulse, known as an action potential), they cause a cascade of chemical reactions that result in the experience of pain.

One class of chemicals, called prostaglandins, plays a key role in the progression of this chemical reaction.  Drugs like ibuprofen and aspirin block prostaglandin, therefore preventing the remaining reaction cycle and as a consequence, pain.

 

 

Check out the full lesson here for a Quick Quiz, Thoughtful Questions and Dig Deeper resources.

BioDigital Human

Welcome to BioDigital Human, a remarkable project that NYU researchers presented and demonstrated at TEDMED.  As described by its founders, BioDigital Human is made such that Anatomical landmarks are paired with embedded education, instructive and training information.  BioDigital Human is the most intuitive way to organize and navigate medical information. Check out the video below.…Continue Reading

Harvard’s Inner Life of the Cell

Your body is made of about 100 trillion cells.  Ever wonder what happens inside one of them?  BioVisions, a beautiful series from Harvard University and XVIVO sets out to visualize the inner life of the cell.  This science fiction-esque video, “Powering the Cell:  Mitochondrion” is an accurate animated depiction of what happens in your body’s cellular…Continue Reading

Body 101: muscles and joints

Your body is amazing. Over 650 skeletal muscles working together yield your bilaterally symmetrical biological frame, composed functionally of 325 working pairs of muscles and over 187 joints. How many can you feel? I’m at about 150, up from just 100 a couple months ago. Yoga and other exercise activities that simultaneously strengthen and stretch…Continue Reading