Anywhere the skin is touched in that area stimulates that sensation<span> neuron.
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Hormones can be divided into three classes. lipid-derived, amino acid-derived, and peptide (peptide and proteins) hormones. Cholesterol is a fat and fats are lipids. They fall into the protein and lipid category.
Answer:
숨을 들이쉴 때마다 폐포가 공기로 채워져 폐가 확장됩니다.
Explanation:
도움이 되기를 바랍니다 !!
