selection intake of food
Digestive Function- Stages
Ingestion
Digestion
Absorption
Compaction
Defecation
Digestion
Mechanical and Chemical breakdown of food into a form usable by the body
Absorption
uptake of nutrient molecules into the epithelial cells of the digestive tract and then into the blood and lymph
,Compaction
absorbing water and consolidating the indigestible residue into feces
Defecation
elimination of feces
Peritoneum
the largest serous membrane in the body
1. lines the abdominal cavity
2. Omentum
projection of peritoneum
Mouth
formed by the cheeks, hard and soft palates, and tongue
, Salivary Glands
lie outside the mouth and empty their contents into ducts which deliver saliva into the oral cavity
3 pairs of Salivary Glands
Parotid- mostly water with salivary
Submandibular- watery but with enzyme (amylases) and mucous
Sublingual- thick viscous mucous protection