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AQA A Level Biology: Year 1 - The Heart Questions and Answers 2025

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AQA A Level Biology: Year 1 - The Heart Questions and Answers 2025

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AQA AS LEVEL/ AQA A LEVEL
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Uploaded on
May 9, 2025
Number of pages
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Written in
2024/2025
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  • aqa a level biology year 1 the heart questions

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AQA A Level Biology: Year 1 - The Heart
Questions and Answers 2025
DescribeAtheApassageAofAbloodAthroughAtheArightAsideAofAtheAheartA-
ACORRECTAANSWERSA-(superiorAandAinferior)AVenaACava

RightAatrium
RightAAVAvalve
RightAventricle
SemiAlunarAvalve
PulmonaryAArtery
DescribeAtheApassageAofAbloodAthroughAtheAleftAsideAofAtheAheartA-
ACORRECTAANSWERSA-PulmonaryAvein

LeftAatrium
LeftAAVAvalve
LeftAventricle
SemiAlunarAvalve
Aorta
HowAdoesAtheAthicknessAofAtheAleftAventricleAwallsAcompareAtoAtheArightAventricleAwalls?A-
ACORRECTAANSWERSA-Thicker,AmoreAmuscularAwalls

WhatAisAtheAimportanceAofAtheAmuscleAtissueAinAtheAarteryAwalls?A-
ACORRECTAANSWERSA-Contracts

ArteriesAconstrictAtoAregulateAbloodAflow
WhyAareAtheAwallsAofAtheAleftAventricleAthickerAandAmoreAmuscularA?A-
ACORRECTAANSWERSA-ContractsAmoreApowerfullyA

BloodApumpedAoutAatAaAhigherApressure
PumpsAbloodAallAaroundAtheAbody
WhyAdoAtheAventriclesAhaveAthickerAwallsAthanAtheAatria?A-ACORRECTAANSWERSA-
SoAtheyAcanApushAbloodAoutAofAtheAheartA
AtriaAjustAneedsAtoApushAbloodAtheAshortAdistanceAintoAventricles
WhatAisAtheApurposeAofAtheAfunctionAattachingAtheAAVAvalvesAtoAtheAventricles?A-
ACORRECTAANSWERSA-

StopsAAVAvalvesAbeingAforcedAupAintoAatriaAwhenAventriclesAcontract
WhenAwillAaAvalveAopen?A-ACORRECTAANSWERSA-
WhenAtheApressureABEHINDAtheAvalveAisAgreaterAthanAtheApressureAinAfrontAofAtheAvalve
WhatAisAtheAimportanceAofAvalvesAonlyAopeningAwhenAtheApressureAisAhighAbehindAthemAth
anAinAfront?A-ACORRECTAANSWERSA-BloodAflowsAinAONEADIRECTION
Unidirectional
WhatAisAtheAimportanceAofAtheAelasticAtissueAinAtheAarteryAwalls?A-
ACORRECTAANSWERSA-StretchAatAhighApressureAwhenAleftAventricleAcontracts

RecoilAatAlowApressureAwhenAleftAventricleArelaxes
SmoothAbloodAflow
WhatAareAtheAstagesAofAtheAcardiacAcycle?A-ACORRECTAANSWERSA-
1.AVentriclesArelaxAandAatriaAcontract
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