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WorksheetsCardiorespiratory
Total questions: 20
Worksheet time: 10mins
What is/are the major organ/s of respiratory system?
(a)
What is the general function of respiratory system?
for transport of essential and removal of waste materials
for immunity
for gaseous exchange
What organ in respiratory system is found to be located externally?
(a)
What is the large dome-shaped muscle that expands or contracts during breathing?
(a)
What organ in respiratory system is the voice box?
(a)
What happens to the lungs, rib cage and diaphragm during inspiration?
Lungs and rib cage expand while the diaphragm contracts downward
Rib cage contracts, Lungs compress, and diaphragm relaxes.
Is inhaling using mouth instead of nose normal? Why yes or no?
(a)
What structure is the site for gaseous exchange?
(a)
What will happen if one part of the system fails to carry out its function properly?
The system will adapt to the problem.
The system will not do its function.
The organism will die.
What happens to the lungs, rib cage and diaphragm during expiration?
Rib cage and lungs expand while diaphragm contracts.
Rib cage contracts, lungs compress, and diaphragm relaxes upward.
What is the major organ for Circulatory System?
(a)
What is the general function of Circulatory System?
For transport of materials in the body.
For gaseous exchange.
What is the other term use for red blood cells?
thrombocytes
leukocytes
erythrocytes
Is blood a tissue? Why?
(a)
What blood vessels carry blood from the heart to tissues of the body?
(a)
The thickest layer in the human heart is known to be what?
(a)
What structure in the human heart receives deoxygenated blood?
right atrium
left atrium
right ventricle
left ventricle
What type of muscle does human heart composed of?
smooth muscle
skeletal muscle
cardiac muscle
Why human heart functions as double-pump organ?
It pumps oxygen-poor blood to your lungs and delivers oxygen-rich blood to every part of your body.
It pumps oxygen-poor blood to every part of your body and delivers oxygen-rich blood to the lungs.
What structure in the heart prevents the mixing of rich and poor oxygen blood?
(a)
