the movement of the chest that brings air into the lungs and removes waste gases
What is breathing?
100
two short tubes at the lower end of the trachea that carries air into your lungs
What is bronchi?
100
11. Air passes from the lungs into the circulatory system because there is less __________in the blood than in cells of the lungs.
What is oxygen?
100
The __________is lined with mucous membranes and cilia that traps dust, bacteria, and pollen
What is the trachea?
200
eliminates waste carbon dioxide and some water molecules
What is exhaling?
200
clusters of tiny, thin-walled sacs at the end of each bronchiole
What is alveoli?
200
__________carries oxygen to individual cells
What is blood?
200
Within the lungs, the bronchi branch into smaller and smaller tubes. The smallest tubes are called __________.
What is bronchioles?
300
- a tube like passageway used for food, liquid, and air
What is pharynx?
300
masses of alveoli arranged in grapelike clusters
What is lungs?
300
Air enters your body through two openings in your __________ called nostrils or through the mouth.
What is nose?
300
The exchange of oxygen and carbon dioxide takes place between the _________ and capillaries
What is alveoli?
400
the airway to which two pairs of horizontal folds of tissue, called vocal cords, are attached.
What is larynx?
400
a muscle beneath your lungs that contracts and relaxes to help move gases into and out of your lungs
What is diaphragm?
400
Air then passes through the __________ cavity, where it gets moistened and warmed by the body’s heat
What is nasal?
400
When a person has an asthma attack, the __________ tubes contract quickly
What is bronchial?
500
strong, C-shaped rings of cartilage prevent it from collapsing
What is trachea?
500
a lung disorder which causes shortness of breath, wheezing, or coughing
What is asthma?
500
__________ traps dust, pollen, and other materials that were not trapped by nasal hairs.
What is mucus?
500
An __________ attack can result from breathing certain substances such as cigarette smoke or certain plant pollen, eating certain foods, or stress in a person’s life