Q. With respect to the counter current system: (Solved)
1. the loops of Henle act as counter current exchanges
2. solutes diffuse out of vessels conducting blood towards the cortex
3. water diffuses out of ascending vessels
4. water diffuses into the collecting ducts
5. counter current exchange is passive and can operate even if counter current multiplication ceases
- b. solutes diffuse out of vessels conducting blood towards the cortex