It is produced by cells known as mast cells. Histamine is a protein molecule with the chemical formula C5H9N3. It serves as an important part of our body's immune response. When we come into contact with an allergen, such as pollen or animal dander, histamine is released by the body to the site of contact.
You just have to do the math. The answer is Josh only.
Answer:1. skeletal muscle
2. muscle
Explanation:
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