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WorksheetsScience 9 Review
Total questions: 15
Worksheet time: 8mins
It is the process where exchange of gases , particularly oxygen and carbon dioxide.
(a)
Which of the following are parts of sinuses?
nasopharynx and ethmoid
trachea and frontal
maxillary and sphenoid
larynx and pharynx
What makes the blood red in color?
What is the life-expectancy of the erythrocytes?
89-100 days
200-300 days
1000-1200 days
100-120 days
These white blood cells have granular cytoplasm.
(a)
Which of the following statement is true about asthma?
There is no cure
It is caused by virus
It is one leading cause of death in the Philippines
It is caused by production of irregular cells
It is the movement of air in and out of the respiratory tract.
(a)
It is where gas exchange happens.
(a)
After the air passed through the larynx, where will be the next route?
lungs
phanynx
trachea
What layer of the lungs is being indicated in box A?
(a)
What layer of the lungs is being indicated in box B?
(a)
In emphysema, which part of the lungs was damaged?
(a)
Which of the following statement is not true about leukocytes?
It can live 100-120 days
It regulate blood pressure
It lacks nucleus
It has nucleus
Neutrophils destroy bacteris though what means?
produce antibodies
macrophages
phagocytosis
From the image, what process was being shown?
Leukocytes protecting the body from infectious organism
Erythrocytes carry oxygen to the cells
Blood clotting
