Respiratory system - The network of organs and tissue that help breathing, Sinuses - Hallow areas between the bones in head that help regulate the temperature and humidity of the air you inhale, Diaphragm - Muscles that helps lungs pull in air and push it out, Pleura - Thin sacs that surround each lung lobe and separate lungs from the chest wall, Asthma - Inflammation in the airways that can make breathing difficult, Cilia - Tiny hairs that move in a wave-like motion, Air sacs - As known as alveoli, Inhalation - Diaphragm pull downward, creating a vacuum that causes a rush of air into lungs, Bronchitis - Effect breath harmful things, Pneumonia - An infection causes inflammation in alveoli,

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