In which organelle does cellular respiration take place?
mitochondria
Name the two systems involved in the exchange between oxygen and carbon dioxide.
Cardiovascular and respiratory
What smaller tubes branch off of the bronchi?
bronchioles
The nasal cavity have moist mucous membrane and high amount of blood capillaries. What is the main function of it?
warms and moisten the air, detect harmful chemicals
Chemical compound in cigarette smoke which is addictive
Nicotine
When an asthma attack occurs, what happens to the bronchioles?
narrowed by excessive contraction, produce extra mucus
What is the disadvantage of anaerobic respiration compare to aerobic respiration?
produce less energy
What are TWO triggers for asthma?
Tobacco -Smoke -Pollen -Dust -Cold air -Fragrance -Over Exercise -Stress
Why does our body need oxygen?
to support the cell respiration / as the 'fuel' to breakdown glucose molecule and produce energy
Trachea is supported by C-shape ring of cartilage. What is the function of it?
keep the airway open
From the nose, air passes into this tube that allows the passage of food and air. What is this tube?
pharynx
During inhalation, what is the action of the diaphragm?
Contracts, flattens and moves down.