body basics- N3 - HNF 150 P Thurston BODY BASICS Cells =...

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

View Full Document Right Arrow Icon
HNF 150      Fall 2007 P Thurston Lecture Notes BODY BASICS Cells  A. Cell Membrane B. Microvilli C. Nuclear membrane D. Mitochondria E. Nucleus The body’s cells need (3): Tissues =  Organs =  SYSTEMS OF THE BODY 1
Background image of page 1

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

View Full DocumentRight Arrow Icon
HNF 150      Fall 2007 P Thurston Lecture Notes A.  Circulatory and Lymphatic System 2 Types of  BODY FLUIDS:  1) blood and 2) lymph Functions (2): 1. Supply tissues with energy, oxygen and nutrients 2. Carry away waste materials Arteries  = carry blood containing fresh oxygen from heart to tissues Veins  = carry blood with carbon dioxide from tissues to heart Red Blood Cell  = Lymphatic  = has own separate vessels Adequate circulation requires (3): 1. Good nutrition 2. Fluids 3. Cardiovascular fitness B.  Hormonal System = Hormones =  chemical messengers Examples: 1.  Insulin is secreted by pancreas when blood glucose is too high 2.   Glucagon is secreted by pancreas when blood glucose is too low Nutrition can affect hormonal balance: Hormones regulate: 2
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

body basics- N3 - HNF 150 P Thurston BODY BASICS Cells =...

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