[题目]蝌蚪依靠什么器官呼吸? 肺气门皮肤鳃[解答]蝌蚪的呼吸器是鳃。蝌蚪是青蛙的幼体。初始蝌蚪的头部两侧生有三对羽状外鳃,此后外鳃消失而又长出内鳃,外面有一层鳃盖,类似鱼鳃。经过一个多月的时间,蝌蚪生出了四肢,尾部缩短消失,内鳃萎缩消失,体腔内出现了肺,等等。这 [subject] What organs rely on breathing? Pulmonary valve skin 鳃 [Answer] 蝌蚪 蝌蚪 呼吸 呼吸 呼吸 呼吸 呼吸 呼吸 呼吸 呼吸 呼吸 is a 呼吸. Thistle is the larva of a frog. Three pairs of plumes were found on each side of the head of the initial beak. After that, the external beak disappeared and the internal canopies grew. There was a layer of lids on the outside, resembling a fishing rod. After a period of more than a month, the twins developed limbs, the tail shortened and disappeared, the internal hemorrhoids shrank and disappeared, the lungs appeared in the body cavity, and so on. This