《黄帝内经·灵枢·经脉》
它的支脉，又从胃腑分别而行，注于心中，与手少阴心经相接。
其支者，复从胃，别上膈，注心中。
Its secondary channel also originates from the stomach and goes to the heart, joining the Hand Shaoyin Heart Channel.
<s>[INST] Kindly elucidate the central themes in this passage in English: 其支者，复从胃，别上膈，注心中。 [/INST] Its secondary channel also originates from the stomach and goes to the heart, joining the Hand Shaoyin Heart Channel.</s>
Kindly elucidate the central themes in this passage in English: 其支者，复从胃，别上膈，注心中。
user
Its secondary channel also originates from the stomach and goes to the heart, joining the Hand Shaoyin Heart Channel.
assistant