Monday: Blood and Immunity quiz Friday. Begin reading Chapter 19, Nervous system, pp. 550-571. 
    Tuesday: Blood HW due Friday. Review reflex arc, nervous system organization, and structure of the nervous system.  Blood & Immunity quiz Friday.
    Wednesday:  You should be finished reading chapter 19.
    Thursday: Blood and Immunity quiz tomorrow.  Review your notes and practice problems.
    Friday: Blood & Immunity quiz today!  Begin reading chapter 21 endocrine system. section 21.3, pp. 621-627.  Review notes and readings, be familiar with feedback mechanisms. Enjoy the break!