Word Count : 267

---

The exchange of respiratory gases in the alveoli is a vital process that ensures oxygen is supplied to body tissues and carbon dioxide is removed from the body. Alveoli are minute, thin-walled, sac-like structures present at the terminal ends of bronchioles in the lungs. They provide a very large surface area and are ___ ________ ___ __________ __________ ________ ____.
____ _____ _________ _____ ______ ___ _____ __________ _________ ______ ___ ______.
__________ ____ _______ _____ ________ _____ ________ __________ _____ ____.
________ _______ _______ ___ __________.
__________ __________ __________ _________ __________ ___.
__________ ________ ______ ______ _____ ________ ___ _______ ___ ____ ___.
__________ __________ __________ _________ ______ _____ ________ ____ ____ _____ ____ ____.
______ ________ ____ _________ __________.
__________ ________ ________ _________ _____ _______ __________ ___ ______ ______ ____.
____ _____ _____ __________ ______ __________ ________ ___ ____.
_________ __________ ____ __________ __________ ______ __________ _____ ____ _____.
_____ ____ ___ ____ _______.
____ ______ ____ _____ _______ __________ _______ ___ ___ _________ __________.
_________ _____ ______ _____ _______ _____ ____.
_____ _________ ____ ____ _____ __________ ____ __________ __________ _________.
____ __________ ____ ___ ___ ________ __________ ____ _______.
________ ____ _______ _________ _______ _____ __________ ______ ___.
_______ ____ __________ ___ _______ _______ ___ ____ ________.
_________ __________ _____ ____ ___ __________ ________ _______ ______ _________ ___.
____ ______ _______ ______ _________ ____ ______ _____.
_____ __________ ______ _______ ______.
_________ ___ _______ ___ ____ _____ ________ _______.
____ __________ _________ ___ _______ ____ _________ ________ __________ _____.
_______ ______ ____ _______ ______ ____ __________ ________ ________ ______ _____ ________.
__________ __________.
Get Full Answer on WhatsApp