What part of the digestive system is responsible for absorbing nutrients?

What does the sociological imagination refer to?

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

What conditions are unaffected in physical conditions