Portal of exit, i think. Its open wounds on the skin in the chain.
The answer is B
•Hopes this helps...tell me if it's wrong!
Unlike the micronutrients, the macronutrients<span> (proteins, fats and carbohydrates) </span>all<span>contribute to dietary </span>energy intake. Alcohol can ... Various expert groups have made consensusrecommendations<span> for </span>consumption<span> of ALA and/or the very long chain omega-3s, </span>based<span> on estimates of dietary </span>requirement<span>.</span>
I'm sorry but I can't answer your question considering I can not see the rest of it