Oxygen<span>, </span>sulfur<span>, </span>nitrogen<span>, and </span>hydrogen<span>.
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Answer:
The answer is Physical. Physical immunity occurs when a person immune system responds to antigen.
Explanation:
The description above refers to parietal peritoneum. The <span>parietal peritoneum is referred to as the serous membrane that borders the organs in the abdomen as well as the pelvic cavities. The peritoneum is classified into two and the other is known as the visceral peritoneum which covers the external surfaces. </span>