Repository key terms

occurs when the cells use 02 and nutrients to produce energy, water, and C02

tube that divides after it leaves the trachea and becomes the right and left bronchus

tiny hair like structures that move mucous and dirt toward the esophagus

leaf like structure, made of cartilage, that covers the larynx during swallowing

occurs when the diaphragm and the intercostals muscles relax, forcing air out

the exchange of 02 an C02 b/w the lungs and the bloodstream

the diaphragm and intercostal muscles contract and enlarge the thoracic cavity

the exchange of 02 and C02 b/w the bloodstream and the tissue cells

located b/w the pharynx and trachea, has nine layers of cartilage and contains vocal cords

organs of respiration

two hollow spaces lined with mucous membrane and have a rich blood supply

wall of cartilage that divides the nose into two hollow spaces

consist of lungs and air passages, responsible for the exchange of gases and taking in 02 and expelling C02

cavities on the skull that surround the nasal area

tube extending from larynx to the center of the chest

process of breathing and involves two phases: inspiraton and expiration

air enters it from the nose, and it is divided into three sections

tiny air sacs in the lungs where the exchange of 02 and C02 occurs b/w the lungs and bloodstream

smallest branches of the bronchi