肺胞

1. Origins, structure, and basic meaning

• Structure: The written form is 肺胞, read はいほう. Elements for lung and a small sac-like structure combine in an anatomical term for an alveolus or air sac.
• Basic usage: 肺胞の形と働き treats shape and function as study topics, while 肺胞から血液へ marks movement of oxygen from the alveoli into the blood.

2. Common pitfalls and similar expressions

• Shape and function
  • A model is used to study both what the lung’s air sacs look like and what they do. Example: 模型を使って肺胞の形と働きを学んだ。 — We used a model to learn the shape and function of the lung's air sacs.
• The starting point of transfer
  • For oxygen transfer, the alveoli are the point of origin and the blood is the destination. Example: 酸素は肺胞から血液へ取り込まれる。 — Oxygen passes from the alveoli into the blood.