2. Year 10 - Acute Responses (during exercise) Flashcards
1
Q
Heart Rate
A
Increased - to pump more oxygenated blood to the working muscles
2
Q
Does heart rate increase linearly to exercise?
A
Yes
3
Q
Blood Flow Distribution
A
At rest 20% of blood flow goes to muscles, during exercise 85% of blood flows to muscles
4
Q
At rest where does most of the blood go?
A
Kidney (20%), Liver (25%)
5
Q
How much blood do the kidney/liver get during exercise?
A
1-2%
6
Q
Stroke Volume
A
Increases - It reaches its maximal level during sub-maximal intensity.
7
Q
Is stoke volume linear to exercise?
A
No, as it reaches it peak at about 50% intensity.
8
Q
A-V02 difference
A
The difference between 02 Concentration in the veins compared to 02 concentration in the arteries.
