24th May 2016, Physical Education AQA AS Level exam.

But I thought that was one of the reasons why BMI is a weakness.. because it is invalid as it doesn't account for large muscle mass or a large physique/frame. If you type "what is BMI" in google, most search results will say "BMI is a measure of body fat"

But as defined in the AQA book " it is a height to weight ratio" leaning towards body composition as oppose to body fat. Although there is a strong correlation between a high BMI and a high level of fat this is not always the case/ accurate so it is a test for body composition

oh god there goes another mark lmao >.<

it was recall. what does each component of recall do?

it was recall. what does each component of recall do?

what did everyone put for the question about moving and growing ?

These are answers i put doesnt mean im correct also couldnt be bothered writing the question you should be able to guess from the answers and the order is pretty messed up
Section 1 phys
1) BMI- Body composition but google says body fat :/
Health complete state of physical social and mental well being
Fitness ability to meet demand of your environment on a day to day basis
2) Smoking - leads to lung cancer ect
lack of exercise causes overweight ect
3) Cappillary one cell thick = short diffusion pathway
Large surface area= increase time for diffusion to occure
small diameter= red blood cells in contact with walls so short Diffusion pathway
4)Describe diffusion of oxygen and co2 , use results explain diffusion down a conc gradient etc
redistribution of blood = co2 detected by chemorecptors impulse sent to medulla vasomotor center increase in sympathetic nervous system ect vaso dilation and vaso constriction
Press up = triceps eccentric and flexion
Section 2
Skill continuum- Self paced , discrete , gross
gross because uses large muscle group

Question about STSS and tennis
Stss encodes using 5 senses in tenis use touch to gain feel for racket
visual see where oponent is
Selective attention occurs filter out irrelevant focus on relevant improves decision making time

Explain choice and simple reaction plus which is used in tennis - Choice is when theres more than one stimuli so more than one response
Simple = 1,1
Use choice in tennis as theres number of different shots opponent can do so different choices
What causes a learning platea - Bad coach , injury , lack of motivation, reached maximum ability , boring session
Improve platea , better coach extrinsic reward , enjoyable session , rest of injured etc
recall schems - occurs before movement it intiates it
Knowledge of initial condition - where am i
response specification what do i have to do

Agree with everything but you mention chemo-receptors and the impulse sent to the medulla , surely thats control of the heart rate as oppose to redistribution of blood which would be what you've mentioned and others eg skeletal pump , respiratory pump , valves ?

Apart from the plane and axis question i thought last years was alright and had unusually low grade boundaries

No the skeletal pump respiratory pump cardiac pump one way valves are all venous return mechanism regardless of what its controlling its always sent to medulla but the centre is different eg heart rate is cardiac centre redistribution of blood is vasomotor center breathing inspiratory centre .... anyway i could be wrong

Thought venous return mechanisms was redistribution of blood , id say its definetely vasodilation and vasoconstriction but apart from that im unsure