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Define Stroke volume and give a resting value the volume of blood ejected from the ventricles OR
for the average adult (2) heart per beat OR per contraction
71ml
Describe the changes that take place to stroke SV increases
volume from rest to maximal exercise (3) SV plateaus
SV decreases…

Page 2

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Define CORE STABILITY ability to stabilise the body during physical activity
Define DORSI FLEXION foot moves towards the shin
Define ECCENTRIC CONTRACTION muscle lengthens + tension
Define END DIASTOLIC VOLUME a volume of blood remaining in the ventricles after
diastole
Define END SYSTOLIC VOLUME a volume of blood remaining in…

Page 3

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Define PLANTAR FLEXION foots moves away from the shin
Define PRONATION palms face downwards
Define ROTATION body part turning about its long axis
What is the SA node? What does it do? Sino Atrial node - responsible for initiating the cardiac
impulse
Define STARLINGS LAW Stroke volume is dependent on…

Page 4

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Give three functional features of Fast fast contraction speed
Glycolytic muscle fibres low fatigue resistance
high anaerobic capacity
Give three functional features of Fast fast contraction speed
Oxidative Glycolytic muscle fibres low fatigue resistance
high anaerobic capacity
Give three functional features of Slow twitch slow contraction speed
muscle fibres high…

Page 5

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Smooth Muscle - contraction and relaxation of middle
the tunica media (middle vein layer)
Gravity - blood from above the heart is aided by
gravity as it descends to the hearts
Venule
Precapillary Sphincters
Arterioles




What are the missing boxes?
What is the effect of a warm up on the…

Page 6

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The blood CO2 pp is... Low
The Alveoli oxygen is... CO2 to alveoli
The alveoli CO2 is... O2 to haemoglobin
The dissociation is...
The association is...

Finish the following sentences for diffusion at Oxygenated
rest for internal respiration (7) High
Blood is entering... Low
The blood oxygen partial pressure is...…

Page 7

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What are the two instrinsic factors? What Venous Return
does they contribute to? Thermorecpetor
Cardiac Control Centre
What is the hormonal factor and what does it Adrenalin
stimulate? SA Node ­ to increase HR and SV
Describe the VASOMOTOR CONTROL CENTRE Neural factors stimulate the ARTERIOLES = PRE
(6) CAPILLARY…

Page 8

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Complete this table for the mechanics of
breathing during EXERCISE
Inspiratio active Expiration Active
active Active n
Contract Relaxes Diaphrag Contract Diaphrag Relaxes
more m more m
force force
Contract Relax External Contract External Relax
more Intercosta more intercosta
force ls force ls
Contract Contract sternoclei Contract sternoclei Contract
odomast…

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