What is the main function of the respiratory system?
Respiration
100
What does the Respiratory System consist of?
It consists of the lungs and a series of passageways.
100
What is the inflammation of the lining of your bronchial tubes called?
Bronchitis
100
What is the dome-shaped muscle that causes the chest cavity to expand and contract?
The diaphragm
100
Where does the air go when it flows out of your lungs?
The area of the lowest pressure.
200
What is it called when oxygen and carbon dioxide exchange?
External Respiration
200
What makes up the upper respiratory system?
The nose and throat.
200
What is a common lung infection caused by bacteria called?
Pneumonia
200
What are the windpipes called?
The trachea
200
What happens in your body when you inhale?
The diaphragm and muscles between your ribs contract.
300
What is it called when gases between blood and body cells exchange?
Internal Respiration
300
What are the principle organs of the respiratory system?
Lungs
300
What is a disease that inflames and narrows the airways called?
Asthma
300
What is the name of the passages through which air spreads through the lungs?
The bronchi
300
What happens in your body when you exhale?
The muscles relax and the volume of your chest cavity decreases.
400
Which element fuels the brain and allows your body to metabolize food?
Oxygen
400
What four parts make up the lower respiratory system?
The larynx, trachea, bronchi, and lungs
400
What is it called the air sacs in your lungs gradually damage?
Emphysema
400
What is the name of the tubes that carry air closer to the site of external respiration?
The bronchioles
400
What is the process of breathing made by?
It creates a pressure difference between the lungs and the outside of the body.
500
In external respiration, where does the oxygen and carbon dioxide move from and go to?
The oxygen moves from the lungs into the blood, and carbon dioxide moves from the blood into the lungs.
500
What is the cilia and what does it do?
It is the hair-like structures in the nose and it traps and removes dust, bacteria, and viruses.
500
What are three cautionary steps to take to reduce health problems?
Have regular physical activity, don’t touch your mouth or nose without washing your hands first, and limit your exposure to air pollution.
500
What is the name of the tiny blood vessel through which gas exchange takes place?
The capillary
500
What is the difference between the pressure when you inhale and exhale?
When you inhale, the pressure in the lungs is lower than outside your body. When you exhale, the pressure in the lungs is higher than outside the body.