C. apply direct pressure because you do not want the person to bleed out.
Id say the third option, white blood cells, called lymphocytes, destroy pathogens and protect against future infections.
hope this helps :-)
Exposure to Teratogen can cause defects if a foetus is exposed to it. There are several kinds of teratogens that can range (as mentioned in the question) from a chemical to a virus or radiations. Teratogen is the term used for any such agent that can result in harming the unborn baby due to exposure to it.
