What is the molecule that the respiratory system supplies to the body?
the movement of the chest that brings air into the lungs and removes waste gas
the process where oxygen is used by cells to release energy from glucose
a tubelike passageway used by food, liquid, and air
a flap on the lower end of a food, liquid, air passageway that folds to prevent food or liquid from entering the airway
contains vocal cords
is held open by rings of cartilage; lined with cilia and mucuous membranes
there are two of these at the lower end of the trachea
the smallest version of bronchi
bronchioles end in clusters of these
the alveoli are surrounded by...
How many cells thick are the walls of alveoli?
Signals from your brain tell muscles in your chest to contract and _ _ _ _ _ .
When carbon dioxide levels decrease, what else decreases?
the muscle below the ribs that moves gas in and out of the lungs
cold, flu, pneumonia
Name the three most common respiratory infections
a disease in which the bronchioles become irritated and swollen and too much mucus is produced
a disease in which the alveoli enlarge and block the airway
a respiratory disease that an uncontrolled growth of cells causes
Smoke, tar, tobacco, etc. all act as _ _ _ _ _ _ _ _ _ _ _ in the respiratory system
a respiratory disease in which bronchial tubes contract extremely quickly
The skin is considered an excretory organ because it removes wastes through _ _ _ _ _.
The _________________ system removes wastes.
the part of the brain constantly regulating the amount of water in the blood
The kidneys are made up of...
Urine drans from kidneys to bladder through tubes called ______________.
If there is little water in the blood, hormones tell the kidneys to decrease the amount of _ _ _ _ _ and return more water to the blood.
What produces urea?
If both kidneys fail, a person must be filtered by an artificial kidney machine in a process called _ _ _ _ _ _ _ _.
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