Blood Pressure and Pulse (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
Function of coronary arteries
Function of coronary arteries
Supply cardiac muscle with blood
Where coronary arteries branch from
Where coronary arteries branch from
Aorta, just above semilunar valves
Function of coronary veins
Function of coronary veins
Drain blood from heart wall into right atrium
What coronary veins remove from heart tissue
What coronary veins remove from heart tissue
Waste products and CO₂
Definition of pulse
Definition of pulse
Alternate expansion and contraction of arteries
Average pulse rate
Average pulse rate
72 beats per minute
What causes pulse in arteries
What causes pulse in arteries
Wave of expansion after left ventricle contracts
Role of elastic fibres in artery walls during pulse
Role of elastic fibres in artery walls during pulse
Contract back after expansion
Definition of blood pressure
Definition of blood pressure
Force blood exerts on walls of blood vessels
Blood pressure change from arteries to veins
Blood pressure change from arteries to veins
Pressure drops
Instrument to measure blood pressure
Instrument to measure blood pressure
Sphygmomanometer
Typical blood pressure value
Typical blood pressure value
120/80mmHg
Systolic pressure
Systolic pressure
The higher value (120 in 120/80mmHg)
Diastolic pressure
Diastolic pressure
The lower value (80 in 120/80mmHg)
Where sphygmomanometer measures blood pressure
Where sphygmomanometer measures blood pressure
Artery of the upper arm