甲状腺

1. Origins, structure, and basic meaning

• Structure: 甲状腺(こうじょうせん) means the thyroid gland, an organ in the neck.
• Basic usage: It is used when classes or explanatory materials describe its location and function.

2. Common pitfalls and similar expressions

• 働き as function
  • 甲状腺の働き means the thyroid's function. Here 働き(はたらき) refers to the role performed by an organ.
• An easy-to-understand explanation
  • 分かりやすく書かれている means that something is written clearly, describing how the information is presented.