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WorksheetsHeart and Circulatory System
Total questions: 15
Worksheet time: 15mins
What is O?
(a)
Which letter is the pulmonary artery?
N
M
A
C
Which valve is K? (do not include valve in your answer)
(a)
Which letters represent veins?
A
N
M
C
Which valve prevents backflow into the left atrium?
bicuspid
tricuspid
aortic
pulmonary
The semi-lunar valves close when the pressure in the artery is greater than the pressure in the ventricle.
True
False
The stroke volume is 100cm3. The heart rate is 70bpm. What is the cardiac output? [Number only]
(a)
Which type of blood vessel has the thickest walls?
artery
vein
capillary
Which feature of arteries ensures maintenance of pressure and smoothing of blood flow?
elastic tissue
muscle
endothelial lining
Which type of blood vessel has the widest lumen in relation to its overall diameter?
artery
arteriole
venule
vein
capillary
Which blood vessels link arteries to capillaries?
(a)
Which type of pressure forces fluid out of capillaries at the arterial end?
(a)
Which is correct for atrial systole?
atrium contracts, ventricle relaxes, atrioventricular valve is closed
atrium contracts, ventricle relaxes, atrioventricular valve is open
atrium relaxes, ventricle contracts, atrioventricular valve is closed
atrium relaxes, ventricle contracts, atrioventricular valve is open
Which is true for diastole?
atrium relaxes, ventricle contracts, semilunar valve is closed
atrium relaxes, ventricle relaxes, atrioventricular valve is closed
atrium relaxes, ventricle relaxes, semilunar valve is closed
atrium contracts, ventricle relaxes, atrioventricular valve is open
Where does excess tissue fluid go?
Into lymph capillaries
Into cells
Into arteries
