Human Biology

1.38. Kidneys http://www.ck12.org

FIGURE 1.69

The pituitary gland is found directly be-

low the brain and releases hormones that

control how urine is produced.

Summary

• Water and waste molecules move out of the blood capillaries and into the nephrons of the kidney to form the
  urine.


• ADH is the hormone released by the pituitary gland and controls how water is reabsorbed by the blood from
  the kidneys.

Practice

Use the resources below to answer the questions that follow.

• Anatomy of a Kidneyat http://www.youtube.com/watch?v=Pz5DHAv_Mw4 (1:46)

MEDIA

Click image to the left for more content.

1. What is a nephron? What is its function in the kidney?


2. What happens in the coiled tubules in the kidney?


3. Where is the cortex of the kidney? What structures are located there?


4. Where is the medulla in the kidney? What structures are located there?
   
   
   • Kidney Anatomy and Physiologyat http://www.youtube.com/watch?v=7nesHuVEe8M (6:39)