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Circulatory system MCQs Quiz Online PDF Download

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The MCQ: Pulmonary veins carry PDF, Circulatory system App Download (Free) with red oxygenated blood, bluish red deoxygenated blood, deoxygenated blood from heart to the lungs, and oxygenated blood from lungs to heart choices for SAT practice test. Study circulatory system quiz questions, download Google eBook (Free Sample) for online colleges for teaching.

Biology: Circulatory system MCQs PDF Download

MCQ: Pulmonary veins carry

A) red oxygenated blood
B) bluish red deoxygenated blood
C) deoxygenated blood from heart to the lungs
D) oxygenated blood from lungs to heart

MCQ: When an artery dilates the

A) lumen becomes constricted
B) lumen gets wider
C) person may appear pale
D) elastic muscles become ineffective

MCQ: In mammals, Endothelium is

A) elastic in nature
B) fully permeable
C) selectively permeable
D) non-permeable

MCQ: When the heart relaxes,

A) person respires
B) peristalsis movements occur
C) bile is produced
D) the heart gets filled with blood

MCQ: Veins do not require thick walls

A) as they do not have to work harder
B) they are required only occasionally
C) the blood pressure declines while it gets to veins
D) the blood pressures is immense

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A Level Biology MCQ Questions

The maintenance of a stable internal environment is calledThe connection between the left ventricle and left atrium isEnvironmental stress in plants is managed byThe most modern hypothesis about enzyme action is calledMethicillin-Resistant Staphylococcus Aureus (MRSA) is aCell division and cell elongation is affected by

Circulatory system MCQs Book Questions

Pulmonary veins carryWastes of aerobic respiration (with O2) includesSingle-cell production is enabled throughThe light-dependent stage cannot be carried out withoutDiabetic people need toOf the 10,000 tons of annual global opium production, used in medicine is