Chapter 40.1

Chapter 40.1 - Substances that are necessary for cellular...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 40 Functions of the digestive system A. Breakdown of food 1. Mechanical Oral (chewing) Stomach (churning) Peristalsis (movement) 1. Chemical use of enzymes Functions of the digestive system B) Absorption -movement of a substance through the intestinal cells and into the bloodstream C) Elimination -Removal of wastes and unused materials Substances that are necessary for cellular metabolism Metabolism: The set of chemical reactions which occur in the body A) Monosaccarides Used for energy and to make cell parts Smallest unit of carbohydrate digestion Substances that are necessary for cellular metabolism B) Amino Acids cell parts hormones (chemical messengers) hemoglobin (transports oxygen) Antibodies (immunity) energy Smallest unit of protein digestion
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Substances that are necessary for cellular metabolism C) Fatty acids Used for: o Cell parts o Hormones o energy Smallest unit of lipid digestion Substances that are necessary for cellular metabolism D) vitamins Produced by bacteria (digestive tract) absorbed from food we eat E) Minerals: from foods we eat F) water Digestion of nutrients Enzymes facilitate each step in digestion A) Carbohydrates Digestion of nutrients B) protein digestion: Digestion of nutrients C) lipid digestion Structure of the human digestive system A) Major organs Mouth-->pharynx-->esophagus-->stomach--> Small intestine-->large intestine-->rectum anus The human digestive system is complete (2 openings one for food one for waste...
View Full Document

This note was uploaded on 03/19/2011 for the course BIO 110 taught by Professor Hemsley during the Spring '11 term at Harper.

Page1 / 2

Chapter 40.1 - Substances that are necessary for cellular...

This preview shows document pages 1 - 2. Sign up to view the full document.

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