background preloader

Human body

Facebook Twitter

Youtube. Biology: Cell Transport. Insights into cell membranes via dish detergent - Ethan Perlstein. What Are Stem Cells. How do drugs affect the brain? - Sara Garofalo. A drug can be defined as any substance able to produce a change to our body.

How do drugs affect the brain? - Sara Garofalo

Drugs able to produce a known effect on the nervous system are referred to as psychoactive drugs, for their ability to influence cognitive and behavioral abilities regulated by the brain’s interconnected network of neurons and to overcome the blood–brain barrier (BBB). The BBB has been only quickly covered in this lesson, but it is a very interesting topic that you can learn more about here and here.

Did you know that it is not the only “barrier” in our body system? Check this out to find out more. The main known influence of psychoactive drugs is at the neuronal level. The Cell: High School Biology. The science of skin - Emma Bryce. Facts about the Human Nose for Kids. SKELETON BONES SONG - LEARN IN 3 MINUTES!!! Hashem Al-Ghaili - Amazing Facts About Human Tongue.

How LASIK Eye Surgery or Laser Eye Surgery Works. Introduction to the Nervous System - Animated Tutorial. How does your brain respond to pain? - Karen D. Davis. Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of pain relievers work?

How does your brain respond to pain? - Karen D. Davis

Learn about the basic physiology of how humans experience pain, and the mechanics of the medicines we've invented to block or circumvent that discomfort. Interested in the theories of pain, dating from the 17th century until modern times? See this article. Interested in how individual variability in brain circuits are related to mind-wandering from pain?

Hashem Al-Ghaili - How Eyesight Helps You See The World. Le fonctionnement des reins - Emma Bryce. Sheep Heart Dissection: Student Cut #1 for Lesson Plan. How the Heart Works 3D Video.flv. Heart Dissection. - Heart Dissection - GCSE/A Level/IB Biology. How your digestive system works - Emma Bryce. The digestive system is a marvel of evolution.

How your digestive system works - Emma Bryce

The NIH provides a helpful overview on its different parts and how they all work together. If you want more detail on the individual organs, see these sources about the gastrointestinal tract, the long organ that incorporates the esophagus, the stomach, the small intestine and large intestine, anus and rectum. What's Your Eye Q. Hashem Al-Ghaili - What happens in your body when you have an allergic reaction? Today I Read - The Human Brain Like You've Never Seen Before. Hashem Al-Ghaili - How Strong is The Acid in Your Stomach? Newsner Español - La increíble historia de la bebé prematura Tru.

Hashem Al-Ghaili - Glaucoma: the leading cause of irreversible blindness in the world. AsapSCIENCE - What your body does in 1 minute. Hashem Al-Ghaili - Amazing Facts About Human Cells. Hashem Al-Ghaili - The Human Body in Numbers. Hashem Al-Ghaili - Human Skeleton under Different Situations. Hashem Al-Ghaili - Inside the Living Cell. Hashem Al-Ghaili - Top 5 Worst Autoimmune Diseases. Hashem Al-Ghaili - How to deal with Kidney Stones. Hashem Al-Ghaili - What happens after removing part of the brain with cancer surgery? The human bones. Tips to Memorize the Skeletal Bones. THE HUMAN BONES SONG. Oxygen’s surprisingly complex journey through your body - Enda Butler.

What percentage of your brain do you use? - Richard E. Cytowic. The science of skin - Emma Bryce. How do your hormones work? - Emma Bryce. Endocrine System, part 1 - Glands & Hormones: Crash Course A&P #23. Hashem Al-Ghaili - How Strong is The Acid in Your Stomach? Hashem Al-Ghaili - Why do humans have wisdom teeth? SVTCollège - Squelette humain. Hashem Al-Ghaili - Top 5 Habits That Can Harm Your Kidneys. What happens during a heart attack? - Krishna Sudhir.

How do cigarettes affect the body? - Krishna Sudhir. How do carbohydrates impact your health? - Richard J. Wood. Why do blood types matter? - Natalie S. Hodge. As with most topics in human genetics, blood type is more complicated than it appears on the surface.

Why do blood types matter? - Natalie S. Hodge

There are other human blood groups that are less common than the ABO blood group. For example, the Bombay Phenotype is a recessive condition in which the precursor of the A or B antigen, the H antigen, is not made. It occurs in about 1 in 10,000 people in India and 1 in million people in Europe. Even though someone inherits the alleles for an A or a B antigen, they can’t make these antigens if they don’t have the instructions on HOW to make them. Types of Human Body Tissue. Hashem Al-Ghaili - Top 5 Incurable Diseases. Hashem Al-Ghaili - The Strength of Human Bones. Hashem Al-Ghaili - Caesarean section (C-section) Procedure. Hashem Al-Ghaili - Heart Attack Prevention. Hashem Al-Ghaili - Manipulating Brain Waves Could Boost Human Memory. Hashem Al-Ghaili - The stages of human development. Hashem Al-Ghaili - How The Ear Works.

Biology: Cell Transport. Insights into cell membranes via dish detergent - Ethan Perlstein. Making sense of how life fits together - Bobbi Seleski. Journey trough the human body in 3D Flight & Motion simulation. How do your kidneys work? - Emma Bryce. Kidneys play a vital role in your body. Why are kidneys so important? Visit the National Kidney Foundation and find out more details about hypertension, diabetes and other ways they can become damaged.

Heart Dissection GCSE A Level Biology Practical Skills. Sheep Heart Structures External and Internal. Hashem Al-Ghaili - What Happens to Your Body after Death. Your Amazing Body - Pregnancy, 9 Months in 4 Minutes. What are you? Transport in Cells: Diffusion and Osmosis. How breathing works - Nirvair Kaur. Osmosis. The Living Body. With meticulous and startling detail, The Living Body examines the miracle of the human species from birth to death.

The Living Body

The journey of a human life - the inner processes that bind us all - has rarely been rendered with such stunning clarity and insight. An Emmy-winning feature length documentary produced by Naked Science, The Living Body utilizes 3D computerized graphics, cutting-edge special effects and exploratory footage from actual human subjects to dramatize the manner by which our complex design accommodates each milestone phase of human development. The revelations begin at the moment of birth. Mitosis Animation. A GREAT Mitosis Video. Sheep Eye Dissection: A Quick Tutorial.

How your muscular system works - Emma Bryce. Every time we blink, take a walk, or lift something heavy, we have the muscular system to thank for enabling us to move.

How your muscular system works - Emma Bryce

It’s such a big part of daily life, and so physically vast, that it helps to have an overview of how this system works. This page from the National Institutes of Health provides a useful guide to the muscular system and the muscles’ various roles. And this helpful interactive chart gives you a front and back view of human muscles, grouped by type. What does the pancreas do? - Emma Bryce. So what does this internal health coach look like?

What does the pancreas do? - Emma Bryce

To find out, take a look at the organ and see where it lives in the body. Its prime position close to the stomach allows it to help us digest our food, with the aid of the enzymes—amylase, protease, and lipase—present in the special pancreatic juice it makes. Why is digestion important anyway, and how does the pancreas fit into this process? Read more here to find out.

How the heart actually pumps blood - Edmond Hui. The technique of demonstrating the pumping mechanism of the heart was first shown in public in this TEDx Talk.The detailed scientific description of the technique was published in the European journal, Science in School.

How the heart actually pumps blood - Edmond Hui

There is a beautiful app from Touch Press by Martin Clayton on Leonardo Da Vinci’s anatomical studies, explaining the difficulties he had trying to understand the heart.This book by Thomas Wright describes the discovery of circulation by William Harvey, a hundred years after Leonardo Da Vinci. Harvey was also the first to prove that the heart is a pump, but he did it by lethal and gory demonstrations on live dogs.

Anatomy and Function of the Eye. A Journey Through the Human Eye: How We See. Eyes: The Windows to Your Health. How the ear works. How does the ear work? How Hearing Works. Why do we cry? The three types of tears - Alex Gendler. How stress affects your body - Sharon Horesh Bergquist. Structure II 3D Animation Video. Human Body Cells Tissues and Skin. Your Amazing Body - The Bacteria That Live on Your Skin. Inside the living body.

Your brain needs Omega-3 fatty acids to... - Hashem Al-Ghaili. Welcome to life! Celebrating 8 Billion Views. Stage 4 Cancer: Here is How It Destroys The Body. Diabetes is a condition where blood... - Hashem Al-Ghaili. Interesting Facts About the Human Genome - Hashem Al-Ghaili. Your eyes can see in ultraviolet if the lens is removed. Strange and Mysterious Sounds (Use Your... - Hashem Al-Ghaili. The remarkable bond between the mother... - Hashem Al-Ghaili. This is the moment a sperm makes contact with an egg. Heart Failure is one of the leading... - Hashem Al-Ghaili.