The contrast is between flesh and spirit, as in Matthew 27:46 and Romans 1:3-4, and not between Christ's flesh and the Holy Spirit. When Christ's atonement for sin was completed, His spirit restored the fellowship which had been broken.
Jibu: Petro wa kwanza 3:18-19 inaeleza, “kwa maana kristo naye aliteswa mara moja kwa ajili ya dhambi, mwenye haki kwa ajili yao wasiohaki, ili atulete kwa Mungu; mwili wake akauawa, bali roho yake akahuishwa, ambayo kwa hiyo aliwaendea roho waliokuwa kifungoni akawahubiri.”