The Heart (AQA GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
Heart's main function
Heart's main function
Pumps blood around body
Two circuits in double circulatory system
Two circuits in double circulatory system
Pulmonary & systemic
Vessel carrying deoxygenated blood to lungs
Vessel carrying deoxygenated blood to lungs
Pulmonary artery
Vessel carrying oxygenated blood from lungs
Vessel carrying oxygenated blood from lungs
Pulmonary vein
Why left ventricle wall thicker than right?
Why left ventricle wall thicker than right?
Pumps blood to whole body, not just lungs
Function of heart valves
Function of heart valves
Prevent blood flowing backwards
Natural resting heart rate (bpm)
Natural resting heart rate (bpm)
Around 70 beats per minute
Location of natural pacemaker cells
Location of natural pacemaker cells
Right atrium
Direction arteries carry blood
Direction arteries carry blood
Away from heart
Thickness of capillary walls
Thickness of capillary walls
One cell thick