A placebo bias is when a participant's behavior changes even when they are not receiving the experimental treatment. Next, explore sample and variables.
<h2>Muscles in legs </h2>
There are three muscles in the human legs. The hamstrings are three muscles which are located at the back of the thigh that affect knee and hip movement. They start under the gluteus maximus behind the hip bone and then attach to the tibia bone at the knee. These are biceps femoris which is the long muscle in the body that flexes the knee.
We need them so we can clean out our urinary system. when you go to the bathroom. <span />
I can help if you put the options. (A. B. C. D.)
