Choices: Breath, Respiratory, hiccup, oxygen, inhale, exhale, nostrils, filter, pharynx, yawn, larynx, bronchi, alveoli, cough, trachea, diaphragm, carbon dioxide, sneeze, respiration, bronchioles, nose, lungs, mouth, oral cavity, nasal cavity.


Filling the blanks: All animals need to 1.______to live. We get this 2.______ gas from air that we breath in. This gas enters our body then travels through a system of organs called 3.____ system. (4-20 asa picture po) thank you po sa sasagot! :))​