使血管扩张 meaning in English

distend the blood vessel

The gas helps to keep blood passages open so that oxygen in the cells can reach the heart and other organs
这种气体有助于使血管扩张，这样一来，细胞中的氧气就可以到达心脏和其它的器官。
And this biology reaction provides certain precondition for the cure of diseases . for instance , when magnetic field starts to do effect on human body , it will help to convey nutrition and oxygen to tissue cells of every part of the body as well as transmit waste made by tissue cells to the outside by expanding the blood vessel , speeding up blood current and improving blood circulation . as quite a number of diseases are usually caused by blood circulation disturbance , the magnetic field is able to satisfy the demand of tissue cells in both aspects , hence , cure the above diseases
磁场虽然看不见，摸不着，但它是一种物理能量，物理治疗因素，作用到人体后，在体内引起一系列生物学效应，而这些生物效应，为治疗某些疾病提供了条件，举个例子说：磁场作用到人体后，可使血管扩张，血流加快，改善血液循环，可以把组织细胞需要的营养物质氧气送到全身各处组织细胞，又可把组织细胞的代谢废物带走，而不少病症与血液循环障碍有关，磁场可以帮助“满足”组织细胞的两方面需要，与以上有关的疾病就可以得到治疗。