PLN 103 Lecture Notes - Lecture 1: Histology, Positive Feedback, Phospholipid
16 Nov 2015
School
Department
Course
Professor
Document Summary
A:the organization at each level determines structural characteristics of higher levels. A:nasus: q: anatomy is to_as physiology is to _. A: cytology analyzes internal structures of individual cells; histology studies groups of specialized cells that work together: q:a receptor, a control center and an effector are the three parts of the homeostatic regulatory mechanism. A: it is a membrane that allows the free passage of some molecules but restricts the passage of others. 18. q: secretory cells of sebaceous glands fill with secretions and then rupture. A:osmosis is the movement of water rather then the solute and in osmosis water flows across a membrane toward the solution that has a higher concentration of solutes, because that is where water concentration is lower. 12. q: some pediatricians recommend the use of a 10% salt solution to relieve congestion for infants with stuffy noses. A: cells will lose water because this is a hypertonic solution.
