Free Powerpoint Presentations

Acids, Bases, & Salts
Page
3

DOWNLOAD

PREVIEW

Example

H2SO4 + NaOH  NaHSO4 + H2O

Slide 27

Digestion and pH

Digestion and pH

Digestion-process by which foods are broken down into simpler substances.

Mechanical digestion-physical process in which food is torn apart (mouth)

Chemical digestion- chemical reactions in which large molecules are broken down into smaller molecules. (stomach and small intestines)

Slide 28

pH in the Digestive System

pH in the Digestive System

Mouth-pH around 7. Saliva contains amylase, an enzyme which begins to break carbohydrates into sugars.

Stomach- pH around 2. Proteins are broken down into amino acids by the enzyme pepsin.

Small intestine-pH around 8. Most digestion ends. Small molecules move to bloodstream toward cells that use them

Slide 29

mouth

mouth

esophagus

stomach

small intestine

large intestine

Digestive system

Slide 30

Acids, Bases, and Salts The End

Acids, Bases, and Salts The End

Go to page:
 1  2  3 

Contents

Last added presentations

© 2010-2024 powerpoint presentations