Documents Chemical Regulating Systems Hormones: cell to cell communication molecules Made in gland(s) or...

Slide 1 Chemical Regulating Systems  Hormones: cell to cell communication molecules  Made in gland(s) or cells  Transported by blood  Distant target tissue receptors…

Documents Most molecules must pass through proteins functioning as selective gates –Termed transport systems...

Slide 1 Most molecules must pass through proteins functioning as selective gates –Termed transport systems Proteins may be called permeases, carriers –Membrane-spanning…

Documents Chapter 7a

Chapter 7, part A Chapter 7a Introduction to the Endocrine System Endocrinology Study of hormones Specialized chemical messengers Secreted by select cells Action at distant…