because the doctor might not have studied her enough to diagnosed her
This is true. it is called origin.
Answer:( answer for number one) an essential nutrient for the production of amino acids, proteins, nucleic acids. ( number 2 ) for the growth, maintenance, and repair of all tissues and cells, and for the production of the genetic building blocks, DNA and RNA
You could have made sure the books were the same weight and your friends could have done it at the same time as you
The esophagus squeezes food down the digestive tract by an involuntary synchronized muscle movement called the Peristalsis