,The Blood Vessels
, The Blood Vessels
Task 1:Starter - A person wanted to measure how much oxygen wa
blood during different activities using an oximeter
1. Suggest 3 activities they
could get their participants to do
2. What is the independent and
dependent variable of this
experiment?
3. Describe what you would
expect to happen as the intensity
of activity increased. Explain
why?
, Answers
1. Suggest 3
activities they
Walking, jogging, running
could get their
participants to do
2. What is the
independent and
I: Type of exercise
dependent
variable of this D: Oxygen percentage
experiment?
3. Describe what There isn’t much change because as
you would expect oxygen demand increases your body
to happen as the
intensity of
adapts by increasing breathing rate
activity keep your blood oxygenated for good
increased. Explain supply to the working muscles
why?