Ann asks
What does the epiglottis do?
Don Roscoe from Vancouver asks
Is there a machine that will measure the amount of oxygen that my lungs use in a breath? Or the...
Satya from Scarborough, Canada asks
Which part of the body has highest ph value?
Most often, your question can be answered by going to the following areas
If you have a different question, please search our archives
If your question has not already been answered, you may Ask-a-Scientist.
Engineering
Mathematics
Physics
Chemistry
Earth
Biology
Medicine
Other