Summary of Digestive System
No description yet. This curated deck is ready for daily study.
Card preview (7)
role of the digestive system
The process in which carbohydrates, protiens and fat molecules are broken down to be absorbed into the blood
6 basic activities that the digestive system achieves
• Ingestion of food and water • Mechanical digestion of food • Chemical digestion of food • Movement of food along the alimentary canal • Absorption of digested food and water into the blood and lymph • Elimination of material that is not absorbed
What is mechanical digestion
Breakdown of food into smaller particles - Occurs in the mouth stomach
What is chemical digestion
Salivary glands contain mucas and a digestive enzyme that breaks down large molecules into smaller ones
primary source of amino acids + fatty acids
foods
descibe the stomach
Three layers • oblique • circular • longitudinal Causes mechanical digestion
describe the small intestine
4 incisors - chisel shaped teeth used for bitting and cutting 2 canines - used for tearing 4 premolars - two on each side of the jaw 6 molars - ideal for crushing and grinding food