The first one is correct, because your skin is always the first thing anything comes incontact with.
It is covered with a membrane composed of lipids and proteins, lacks a nucleus, and contains<span> hemoglobin—a </span>red<span>, iron-rich protein that binds oxygen. The </span>red blood cells<span> are highly specialized, well adapted for their </span>primary function<span> of transporting oxygen from the lungs to all of the body tissues.
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Autism Spectrum Disorder, I say this because, even though the child is high functioning in other areas, they still have the previous diagnosis of Asperger's, which now in the DSM-5 since 2013, is just considered Autism Spectrum Disorder.
