Search Results | body systems
Your search for "body systems" returned 3,303 results
How Allergies Work
health.howstuffworks.com/diseases-conditions/allergies/allergy-basics/allergy.htm
If you've got allergies, you know the drill. Learn allergy symptoms, reactions and the immune-system mix-up we call an "allergy."
Why do you have two lungs but only one heart?
health.howstuffworks.com/human-body/systems/circulatory/two-lungs-one-heart.htm
The two lungs-one heart system evolved because that was all we needed to survive. Learn more about the evolution of the two lungs-one heart system.
Nebular Theory Might Explain How Our Solar System Formed
science.howstuffworks.com/dictionary/astronomy-terms/nebular-hypothesis-info.htm
The nebular theory, also known as nebular hypothesis, presents one explanation of how the solar system was formed, proposed by Pierre Simon de Laplace in 1796.
Astral Projection: An Intentional Out-of-body Experience
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/astral-projection.htm
Would you like to be able to leave your body at will and travel to other countries and planets? Astral projection promises you can do that. But what does science say about this?
What Is Alcohol and What Does It Do to the Human Body?
science.howstuffworks.com/alcohol.htm
More than 2.3 billion people across the globe drink alcohol, but most don't consider it a drug. But if you've ever seen someone who's had too much, you know alcohol has profound effects on the mind and body.
How Much Do You Know About Your Organs?
play.howstuffworks.com/quiz/how-much-do-you-know-about-your-organs
You may think you know your body, but there are 78 organs that are helping it function. Just how well do you know your organs and what they do for you?
Why Does Your Body Temperature Rise When You Have a Virus Such as the Flu?
science.howstuffworks.com/life/cellular-microscopic/question45.htm
Your body temperature rises when you have a virus, such as the flu, but why? Find out what causes a rise in your body temperature when you're sick.
What makes you dizzy when you spin?
science.howstuffworks.com/science-vs-myth/question483.htm
Dizziness happens when the part of your body that detects motion sends the wrong signals to your brain. Find out what causes dizziness when you spin.
Is This the Name of a Real or Fake Organ?
play.howstuffworks.com/quiz/is-this-the-name-of-a-real-or-fake-organ
It is commonly accepted that there are 78 organs in the human body. Can you tell the difference between a real organ and a made-up one? Take this quiz to prove your organ knowledge!
Why is it so hard to understand the NASCAR penalty system?
auto.howstuffworks.com/auto-racing/nascar/nascar-basics/nascar-penalties.htm
The NASCAR penalty system are fairly new to the sport and really complicated. Learn more about the NASCAR penalty system