BIOL&253Ch27NotesFall11

BIOL&253Ch27NotesFall11 - 1 Ch. 27 – Fluid,...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Ch. 27 – Fluid, Electrolyte, and Acid-Base Balance • These notes are a brief overview of the main themes of Ch. 27 only • The information in these notes and in Ch. 27 is FYI only, and will not be fair game for the Final Exam • While Ch. 27 repeats a lot of information we have discussed during the past 9 months, it does a nice job of tying these topics together under the umbrella concept of homeostasis Fig. 27-3, p. 1015 Fluid (water) balance • Water gain must = water loss • Water ≈ 50-60% of our body weight • There are no active transporters for water molecules, just water channels (aquaporins) – “Water follows salt” by osmosis • Major players in the maintenance of fluid balance : the renin-angiotensin system, ADH, aldosterone, natriuretic peptides, baroreceptors in the heart and blood vessels, and the thirst center in the hypothalamus 2 Electrolyte balance • Electrolyte gain must = electrolyte loss • Electrolytes = ions released when soluble inorganic compounds dissociate; they can...
View Full Document

This note was uploaded on 03/12/2012 for the course BIOL 253 taught by Professor Tonychennault during the Fall '11 term at Clark College.

Page1 / 6

BIOL&253Ch27NotesFall11 - 1 Ch. 27 – Fluid,...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online