True or false. At the systemic capillary beds in fish, oxygen is released to the cells, which pass carbon dioxide to the blood; this carbon dioxide will eventually be released from the fish at the gill capillary bed. View Available Hint(s) True or false. At the systemic capillary beds in fish, oxygen is released to the cells, which pass carbon dioxide to the blood; this carbon dioxide will eventually be released from the fish at the gill capillary bed. True False