to take air or substances into the lungs by breathing in

吸入, 吸气
to breathe in and out, taking in oxygen and expelling carbon dioxide from the lungs

呼吸, 换气
to draw air into and expel it from the lungs

呼吸, 喘息
to breathe in sharply with an open mouth, often in response to surprise, pain, or intense emotions

喘息, 倒吸冷气
to breathe quickly and loudly, often due to excitement, exertion, or energetic activity

喘息, 气喘
to unexpectedly open one's mouth wide and deeply breathe in because of being bored or tired

打哈欠, 呵欠
to make a sudden, involuntary sound caused by a spasm of the diaphragm, often as a result of eating or drinking too quickly

打嗝, 呃嗝
to break down food in the body and to absorb its nutrients and necessary substances

消化, 吸收
to break down substances like food or drugs to produce energy or support various bodily functions

新陈代谢, 代谢
to become red, often in response to emotions like embarrassment, shame, or surprise

变红, 脸红
to experience a reddening of the skin, typically in the face, due to emotions like embarrassment, excitement, or strong reactions

脸红, 泛红
to become red in the face, especially as a result of embarrassment or shame

变得红脸, 面红耳赤
to produce small drops of liquid on the surface of one's skin

出汗, 流汗
to produce small drops of liquid on the surface of the skin, often as a result of physical exertion, anxiety, or heat

出汗, 流汗
to release liquid waste from the body

排尿, 尿
to expel urine from the body

排尿, 小便
