Answer:
<em>Antibodies</em><em> </em><em>are</em><em> </em><em>produced</em><em> </em><em>by</em><em> </em><em>lymphocytes</em><em> </em><em>since</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>part</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>immune</em><em> </em><em>system</em><em> </em>
The skeletal muscle takes up 40% hope that helps
Male reproductive system produce sperm which fertilize the ovum of female to form diplod zygote and this zygote multiplies and multiplies and finally forms a baby
Option B. most Americans eat enough protein
it is not recommended unless the protein claim is to be used by infant or children under four years of age.