Translation guide
The circulatory system refers to the heart, blood vessels, and blood that circulate blood throughout the body. In Japanese, the most common term is 循環器系 (じゅんかんきけい), used in medical and biological contexts. For everyday conversation, 血液循環 (けつえきじゅんかん) or simply 循環 (じゅんかん) may be used.
The anatomical system comprising the heart, blood vessels, and blood.
Standard medical term for the circulatory system. Used in textbooks, medical documents, and formal contexts.
循環器系は心臓と血管から成り立っています。
The circulatory system consists of the heart and blood vessels.
The process of blood moving through the body, often in health or everyday contexts.
The word 循環 (じゅんかん) is very versatile and appears in many compounds like 循環器 (じゅんかんき, circulatory organ), 循環器内科 (じゅんかんきないか, cardiology), and 循環型社会 (じゅんかんがたしゃかい, recycling-oriented society).
A slightly shorter variant of 循環器系, also common in medical contexts.
循環系の病気について勉強しています。
I'm studying diseases of the circulatory system.
Literally 'blood circulation system'. More specific, emphasizing blood circulation. Used in some medical contexts.
血液循環系の役割は酸素を運ぶことです。
The role of the circulatory system is to transport oxygen.
Refers to blood circulation. Common in health advice, fitness, and daily conversation.
運動は血液循環を良くします。
Exercise improves blood circulation.
General term for circulation, can refer to blood, air, or other cycles. Often used in compounds.
血の循環が悪いと冷え性になります。
Poor blood circulation can cause sensitivity to cold.