Gcse B5 OCR Flashcards
1
Q
Describe arteries
A
High pressure
Thick and elastic
Contain muscles to keep strong
2
Q
Describe capillaries
A
One cell thick
Permeable walls
Transport oxygen and food
Take away co2 from cells
3
Q
Describe veins
A
Low pressure
Not that thick
Have valves
4
Q
What is in the plasma
A
Cells Water Co2 Urea Hormones Antibodies