Refer to the Figure of the Countercurrent Multiplier Mechanism in the Mammalian

question 238

Short Answer

Refer to the figure of the countercurrent multiplier mechanism in the mammalian kidney. With respect to movements of ions and water, how are regions 1 and 4 similar, and how are they different?

---

Definitions:

Anticline

A type of fold that is arch-like and has its oldest rocks at its core, formed by the compression and bending of Earth's crust.

Columnar Joints

Vertical, pillar-like structures that form in basalt and other rocks due to cooling and contraction.

Scratch Marks

Linear abrasions on a rock surface, often caused by the movement of a glacier and carrying debris across the rock.

Folded Metamorphic Rocks

Metamorphic rocks that have been bent or curved into folds due to intense heat and pressure over long periods.