1.8 Atrio-venous oxygen difference Flashcards
1
Q
What is arterio-venous oxygen difference?
A
difference in volume between arteries and veins
2
Q
What happens to arterio-venous oxygen difference during exercise?
A
becomes higher as cardiovascular system becomes more efficient
3
Q
What shows an increase in difference between arterial and venal blood?
A
an increased Bohr shift
4
Q
Why is there a higher difference during exercise
A
venal blood decreases as more oxygen dissociates from haemoglobin during exercise to be used in working muscles
