These are biological concepts which presuppose an understanding of internal biological processes like respiration, blood flow and digestion.
生和死是生理上的概念，了解它们要以了解像呼吸、血循环和消化等生理过程为前提。
All of us have got a heart, a liver, a spleen, of course, we also have got lungs that belong to the respiration system, and stomach, intestines that belong to the digestion system.
我们每个人都有心脏，肝脏，脾脏，当然，还有呼吸系统的肺脏，以及消化系统的胃，肠等。
In biology class we learned about digestion, respiration, circulation, and etc.
在生物课上，我们了解了消化，呼吸，循环，和等。
These are biological concepts which presuppose an understanding of internal biological processes like respiration , blood flow and digestion.
生和死是生理上的概念，了解它们要以了解像呼吸、血循环和消化等生理过程为前提。
Supports digestion, respiration, muscles and joints; uplifts and invigorates a tired mind. Can be sniffed directly from the bottle to relieve nausea and fatigue.
有助于消化、呼吸、肌肉及关节；能振奋疲惫的身心。可直接嗅闻，舒缓作呕和疲劳问题。
Supports digestion, respiration, muscles and joints; uplifts and invigorates a tired mind. Can be sniffed directly from the bottle to relieve nausea and fatigue.
有助于消化、呼吸、肌肉及关节；能振奋疲惫的身心。可直接嗅闻，舒缓作呕和疲劳问题。
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