Biology 9700/22 — May/June 2015
Cambridge AS Level · AS Level Structured Questions · worked solutions for every part, with the mark scheme
Topics Transport in Mammals · Cell Structure · Biological Molecules · Gas Exchange · Infectious Diseases · Nucleic Acids and Protein Synthesis · +6 more
Each of statements A to E describe a structure associated with the mammalian heart.
For each statement, identify the structure that is being described.
A The chamber that pumps blood into the pulmonary artery.
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B A blood vessel that transports deoxygenated blood into the right atrium.
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C The specialised tissue responsible for delaying the conduction of impulses from the atria to the ventricles.
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D The blood vessels that supply cardiac muscle with oxygenated blood.
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E The valve that prevents the backflow of blood from the ventricle that contains oxygenated blood.
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The rest of this paper
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- Q3Cell Membranes and Transport · Cell Structure · Transport in Mammals10M
- Q4Biological Molecules · Enzymes10M
- Q5Immunity · The Mitotic Cell Cycle7M
- Q6(outdated) Ecology · Transport in Plants · Biological Molecules12M