Word Count : 257

---

Respiration in cyclostomes is carried out primarily through a specialized branchial apparatus adapted to their primitive mode of life. Cyclostomes, such as lampreys and hagfishes, lack true jaws and paired fins, and their respiratory system reflects this ancestral condition. The chief respiratory organs are the gill pouches, which are sac-like structures _______ _________ ____ _______ ______ ______ _____ ______ ___ _____ _____.
________ _________ ___ _____ _______ ________ ____ _________.
_______ ______ ______ __________ ___ ________ __________ _____ ____ ____.
_____ __________ _____ ______ ______ _____ _________ ________.
_____ __________ ___ _______ __________ ________ ___ ______ ____ _________ ________ ____.
_____ _______ _______ _________ ____.
______ ________ _____ ________ ____ __________.
__________ ____ ____ ___ __________ __________ _______ _____ ______ __________ ___.
____ _____ ____ ___ __________ _____ _________.
___ _____ ____ __________ ___ ____ ______ ______ __________ _________ _____.
_________ _____ _____ ____ ______ __________ ________ _________ _______ _______ __________ ____.
_______ __________ ___ _________ ___ ____ ______.
____ ______ ___ _______ _______ ____ ______ ___ ___ ______ _____.
________ _________ ____ ___ ________ _____ ______ ___.
_______ ________ _____ _________ _______ ____ _______ _________ __________ ______.
_____ ________ _____ _____ _____ _____ _____ ______ ____ _________ ______.
______ _____ ________ ___ _____ _____.
_________ ______ _________ _________ ________ _______.
_________ _____ _____ _______ _____ _______ _____ ___ ______.
___ _______ ___ ________ _______ __________ __________.
___ ______ ________ ______ _______.
__________ ___ ________ ______ _____ __________ _________ _____ ____ __________ ____ _______.
____ ___ _____ _____ _____ _____ __________ __________ _____ ______.
_______ _____ ___.
Get Full Answer on WhatsApp