Transcript The Digestive System Part 1 (PowerPoint)

The Digestive System
Chapter 37
MOUTH
• Enamel
– hardest substance of the
body
– Ninety-six percent
mineral (hydroxyapetite)
Teeth
• Dentin
– less mineralized and
brittle
– more prone to decay
– minerals, proteins
• Cementum
– Minerals, proteins
– Ligament attachment
• Pulp
– central part of the tooth
– soft connective tissue
– contains blood vessels
and nerves
MOUTH
MOUTH
Pharynx
ESOPHAGUS
Transverse Section
STOMACH
STOMACH LAYERS
STOMACH
SMALL INTESTINE
SMALL INTESTINE-Enormous Surface Area
VILLI
VILLI
Large intestine
LARGE INTESTINE
LARGE INTESTINE
• Stay tuned for the accessory organs—
Liver, Pancreas