Respiratory system

1. how many bronchus
3. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs. large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily
5. Cartilage Adam's apple The largest, and when enlarged it projects from the front of the throat.More pronounced in men
6. Thin hairs located just inside the nostrils, filter incoming air to remove debris
7. enable the entry and exit of air and other gasses through the nasal cavities. hollow spaces where air flows in and out.
11. cavity filter and warm the air, and make it moist before it goes into the lungs.
12. carries air, food and fluid down from the nose and mouth.a muscular, funnel-shaped passageway inside the body.

1. carry air in and out of your lungs. the long tube that connects your larynx (voice box) to your bronchi.
2. bring in air from the atmosphere and pass oxygen into the bloodstream
4. Slippery secretion produced by the mucous membranes that protects and lubricates these tissues. In the nose, mucus helps moisten, warm, and filter the air as it enters
8. cavity serve as the entrance of the alimentary tract and to initiate the digestive process by salivation and propulsion of the alimentary bolus into the pharynx. consists of the teeth, tongue, salivary glands, lips, and palate.
9. dust and other foreign particles and prevent them from entering the lower respiratory tract
10. lets air pass from your throat (pharynx) to your trachea on the way to your lungs. a hollow, tubular structure connected to the top of the windpipe