A control group Is a set of experimental samples or subjects that are kept separate and aren’t exposed to the independent variable. A controlled variable is any factor you are able to control or hold constant during the experiment, which is why it can also be known as a “constant variable”.
Hope this helps!
They had a party for six hurdund
This statement is true.
Some scientist refer to the adrenal medulla as a 'misplaced' sympathetic ganglion because <span>embryologically, they arise from the same tissue. As the name itself says, the adrenal medulla is located within the adrenal gland, and represents its central part. </span>