What is a general definition of a control group?

In the scientific method video, which variable is said to be a dependent variable?

A rule of parsimony states that the most complex explanation for the observation which makes the greatest number of assumptions is typically the correct one.

When you are riding in an elevator, it primarily results in bending of stereocilia on hair cells in the

The myofibril is made up of

Imagine someone who drank too much water before running a race.  Their very dilute blood would be:  

You patient is suffering from elevated levels of cholesterol in the blood. Which medication would you prescribe to decrease the production of cholesterol by the liver? 

What is the effect of acetylcholine on the heart?

Betty is going into anaphylactic shock characterized by severe vasodilation. As a consequence of shock her TPR will __________ and her blood pressure will ____________.

Valves within the heart