iphy 3430 1-13-11

iphy 3430 1-13-11 - IPHY 3430 1-11-11 If you missed class...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
1/9/11 1 IPHY 3430 1-11-11 If you missed class on Tuesday, please pick up a syllabus from Dr. Carey Clicker question: What are your future plans? A. med school B. dental school C. physical therapy D. nursing E. other Energetics Energy is the ability to produce change or an effect by doing work. Energy comes in several forms: heat, chemical, radiant, etc.
Background image of page 1

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

View Full DocumentRight Arrow Icon
1/9/11 2 What is work in a human system? 1. Synthesis of macromolecules 2. Maintenance of ionic disequilibria 3. Muscle contraction 4. Transmission of information 5. Many others Chemical energy is the only form of energy that can be used to work in the human body. Bonds between C, H, N, S, O, etc. contain energy. Heat energy cannot be used to do work in the human body. Where does energy for use in the human body come from? Chemical energy in food (carbohydrates, proteins, and fats)
Background image of page 2
1/9/11 3
Background image of page 3

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

View Full DocumentRight Arrow Icon
1/9/11 4 Carbohydrates complex carbohydrates (glycogen, starch) --> simple sugars (glucose, galactose, fructose) ---> once absorbed into the body can be stored temporarily as glycogen or immediately catabolized -->energy released by enzymatic breakage of bonds ---> some work done and the rest lost as heat
Background image of page 4
1/9/11 5 Proteins Complex proteins in diet --->broken down to amino acids---> once absorbed into body, amino acids can be used temporarily to make new proteins or immediately catabolized---> energy released by enzymatic breakage of bonds--> some work done and the rest lost as heat
Background image of page 5

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

View Full DocumentRight Arrow Icon
1/9/11 6 Fats Triglycerides broken down to monoglyceride and two
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/23/2011 for the course IPHY 3430 taught by Professor Lynch,robe during the Spring '08 term at Colorado.

Page1 / 12

iphy 3430 1-13-11 - IPHY 3430 1-11-11 If you missed class...

This preview shows document pages 1 - 7. Sign up to view the full document.

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