Human Body: Respirtory System Vocabulary

Body system that brings air into the body, supplies oxygen to blood, and releases carbon dioxide. The respiratory system inclueds the nose, pharynx,larynx, trachea, and lungs.

The process that takes oxygen into the body and releases carbon dioxide.

Respiration is the process of taking air into the lungs (inhalation) and the process of breathing it out (exhalation).

The process in which nutrients are converted into energy in cells.

A system of chambers through which air passes from the nostrils to the pharynx.

Commonly knwon as windpipe; a series of cartilagionous rings through which inhaled air moves from the larynx to the bronchi.

Hair-like projections on the surface of cells that contract to move fluids along a pathway.

The area of the throat beween the mouth and vocal cords.

A carilaginous structure at the top of the trachea containing vocal cords; the voice box.

Sac-like respiratory organs in the chest that allow the excange of oxygen and carbon dioxide with red blood cells.

Either of two main branches of the trachea. Boronchi are cartilage ringed tubes int the lungs through which ar pases to and from the lungs.

Smaller branches of the bronchi in the lungs that end at the alveoli.

Tiny air sacs in the lungs that are the site of gas exchange with capillaries.

A sheet of muscle extending across the bottom of the rib cage taht functions in respiration. Contraction of the diaphragm causes inhalation; relaxation of the diaphragm cases exhalation.