IGCSE O Level Biology Study Guide: Practice Test 25 (Chapter 17)

Transport in Mammals Multiple Choice Questions (MCQs) PDF Download - 25

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The Transport in Mammals Multiple Choice Questions (MCQs) with Answers PDF (Transport in Mammals MCQs PDF e-Book) download Ch. 17-25 to study IGCSE O Level Biology Course. Practice Mode of action of heart MCQs, Transport in Mammals quiz questions and answers PDF for online college bachelor degree. The Transport in Mammals MCQs App Download: Free IGCSE O Level Biology App to study acclimatization to high attitudes, white blood cells, human heart career test to learn online certificate courses.

The MCQ: The "dub" sound is produced when "Transport in Mammals" App Download [Free] with answers: atria start to relax, atria are fully contracted, after the semilunar valves are closed, and after the bicuspid and tricuspid valves suddenly close to learn online certificate courses. Solve Learning Biology Quiz Questions, download Google eBook (Free Sample) for free online college courses.

Transport in Mammals MCQs with Answers PDF Download: MCQ Quiz 25

MCQ: 121

The "dub" sound is produced when

atria are fully contracted
atria start to relax
after the semilunar valves are closed
after the bicuspid and tricuspid valves suddenly close

MCQ: 122

Phagocytosis refers to

eating foreign particles
the formation of pus
gives hemoglobin red color
can result in a persons death

MCQ: 123

Downside of immuno-suppressive drug is that

recipient feels lethargic after transplant
treatment must be done on permanent basis
tissue rejection can be avoided
enzymes act as limiting factor on recipients recovery

MCQ: 124

Artery leaving from the left ventricle of the heart is

pulmonary artery
aortic arch
inferior vena cava
posterior vena cava

MCQ: 125

Oxygen (O₂) and food substances are provided to the heart through

pulmonary arch
aortic arch
coronary arteries
subclavian artery

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