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29 terms

Respiration & Excretion

From Note-Taking WKST and textbook.
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oxygen
What is the molecule that the respiratory system supplies to the body?
breathing
the movement of the chest that brings air into the lungs and removes waste gas
respiraton
the process where oxygen is used by cells to release energy from glucose
pharnyx
a tubelike passageway used by food, liquid, and air
epiglottis
a flap on the lower end of a food, liquid, air passageway that folds to prevent food or liquid from entering the airway
larnyx
contains vocal cords
trachea
is held open by rings of cartilage; lined with cilia and mucuous membranes
bronchi
there are two of these at the lower end of the trachea
bronchioles
the smallest version of bronchi
alveoli
bronchioles end in clusters of these
capillaries
the alveoli are surrounded by...
1
How many cells thick are the walls of alveoli?
relax
Signals from your brain tell muscles in your chest to contract and _ _ _ _ _ .
breathing rate
When carbon dioxide levels decrease, what else decreases?
diaphragm
the muscle below the ribs that moves gas in and out of the lungs
cold, flu, pneumonia
Name the three most common respiratory infections
bronchitis
a disease in which the bronchioles become irritated and swollen and too much mucus is produced
emphysema
a disease in which the alveoli enlarge and block the airway
lung cancer
a respiratory disease that an uncontrolled growth of cells causes
carcinogens
Smoke, tar, tobacco, etc. all act as _ _ _ _ _ _ _ _ _ _ _ in the respiratory system
asthma
a respiratory disease in which bronchial tubes contract extremely quickly
sweat
The skin is considered an excretory organ because it removes wastes through _ _ _ _ _.
excretory
The _________________ system removes wastes.
hypothalamus
the part of the brain constantly regulating the amount of water in the blood
nephrons
The kidneys are made up of...
uterers
Urine drans from kidneys to bladder through tubes called ______________.
urine
If there is little water in the blood, hormones tell the kidneys to decrease the amount of _ _ _ _ _ and return more water to the blood.
liver
What produces urea?
dialysis
If both kidneys fail, a person must be filtered by an artificial kidney machine in a process called _ _ _ _ _ _ _ _.