IGCSE O Level Biology Online Tests
Heart O Level Biology MCQ (Multiple Choice Questions) PDF Download
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The Heart O Level Biology Multiple Choice Questions (MCQ Quiz) with Answers PDF (Heart O Level Biology MCQ PDF e-Book) download to study IGCSE O Level Biology Tests. Learn Transport in Mammals Multiple Choice Questions and Answers (MCQs), Heart O Level Biology quiz answers PDF to learn online certification courses. The Heart O Level Biology MCQ App Download: Free IGCSE O Level Biology App to study heart: o level biology, white blood cells, red blood cells in mammals, blood clotting: o level biology test prep for two year degree programs.
The MCQ: In transportation of mammals, median septum; "Heart: O Level Biology" App Download [Free] with answers: allows exchange of blood between right and left atrium, allows exchange of blood between right and left ventricle, is a semi-permeable membrane, and completely separates the right and left sides of the heart to learn online certification courses. Practice Heart O Level Biology Quiz Questions, download Google eBook (Free Sample) for online colleges for teaching.
Heart O Level Biology Questions and Answers PDF Download
In transportation of mammals, median septum
- allows exchange of blood between right and left atrium
- allows exchange of blood between right and left ventricle
- is a semi-permeable membrane
- completely separates the right and left sides of the heart
Back flow of blood from right ventricle to right atrium is prevented through
- semilunar valves
- mitral valves
- tricuspid valves
- median septum
Blood in pulmonary arteries is at a lower pressure than blood in aorta allowing
- tricuspid valve to shut
- bicuspid valve to shut
- gaseous exchange to effectively take place in lungs
- semi lunar valves to prevent backflow of blood
Semilunar valves are present at the bases of
- pulmonary artery only
- aorta only
- pulmonary veins
- pulmonary artery and aorta
Tricuspid valve is found between
- left atrium and right atrium
- left atrium and right ventricle
- right atrium and right ventricle
- left atrium and left ventricle
IGCSE O Level Biology Practice Tests
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