The foetus is not protected from many diseaseslike poliomyelitis,typhoid,tetanus,measles etc.
Decreasing will be the answers
A protein has carbon, hydrogen and oxygen.
the formula of a protein is <span>R-CH-(NH2)(COOH).</span>
The cell membrane<span> </span><span>is a thin semi-permeable </span>membrane<span> that surrounds the cytoplasm of a </span>cell<span>.
Hope this helps :)</span>
