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WorksheetsHuman Respiratory System
Total questions: 15
Worksheet time: 11mins
The purpose of respiration is to obtain ... for movement, metabolism, and other activities of life.
oxygen
water
energy
carbon dioxide
The respiration process requires ... (from digestive system) as energy source.
glucose
oxygen
fats
protein
Which statement is FALSE about anaerobic respiration?
It doesn't need oxygen.
It doesn't need glucose.
Fermentation is an example of it.
It also occurs in the human body.
The process of breathe out is called ....
inspiration
expiration
excretion
regulation
These processes happens in nasal cavity, EXCEPT ....
Filtered by nose hair.
Warmed by the blood in the veins in the nose.
Moisturized by mucous membranes.
Its volume is increased by epiglottis.
In addition to carbon dioxide, the process of respiration also produces....
Nitrogen
Water vapor
Oxygen
Carbon monoxide
We can use both nose and mouth to breathe and to eat. That's possible because of the presence of ....
Pharynx
Larynx
Oesophagus
Epiglottis
These are 3 organs found in larynx, EXCEPT FOR ....
Epiglottis
Vocal Cords
Adam's apple
Ring of cartilages
On the walls of the trachea, there are ... and ... that serve to catch incoming waste and push them out of the respiratory tract.
nose hair; mucous membranes
nose hair; epiglottis
cilia; mucous membranes
cilia; epiglottis
The branch of the trachea is called ....
Bronchi
Bronchioles
Alveoli
Larynx
What process occurs in this organ?
Exchange betwen oxygen and carbon dioxide.
Preventing food from entering the throat.
Sound producing.
Blood is pumped to all parts of the body.
Oxygen from the respiratory tract will be transported to all parts of the body. Hemoglobin contained in the ... will bind to oxygen and make it possible to circulate through the blood vessels.
blood plasma
platelets
white blood cells
red blood cells
The 2 muscles whose movement (contraction and relaxation) allows inspiration and expiration in human breathing are ....
intercostal and diaphragm
lungs and diaphragm
intercostal and lungs
lungs and throat
When the intercostal muscles relaxes, the volume of chest cavity will shrink, causes ....
decreased pressure in the chest cavity
outside air enters the lungs
diaphragm muscle contracts
expiration
When the diaphragm contracts, the pressure in the chest cavity will ....
increase
decrease
the same as the outside pressure
not change
