Chapter 22 Flashcards
Herbivores
Mainly Plant and Algae
Example: Zebra, Cow, Gorilla, Sea Turtle
Carnivores:
Mainly eat Meat
Example: lIONS, wHALES, sPIDERS, sEA sTARS
Omnivores
Eat Both
Example: Humans, Crows, Cockroaches
Four stages of food processing
Indigestion, Digestion, Absorption and Elimination
Indigestion
Take food into the body
Digestion
Break food polymers into monomers
Mechanical Digestion
Use physical Force to mash up food
example: Chewing
Chemical Digestion
Use ENZYMES to hydrolyze polymers into subunits
Absorption
Subunits get trapped into the blood stream across epithelial lining of intestines
Elimination
Dispose of undigested material
2 types of digestive compartments:
- Gastrovascular Cavity
2. Alimentary Canal
Gastrovascular Cavity
Large pouch with SINGLE opening
Alimentary Canal
Large muscular tube with 2 openings.
Mouth and the Anus
Animal With Gastrovascular Cavity
Jellyfish and Starfish
ORGANS OF THE ALIMENTARY CANAL
Oral Cavity, Pharynx, Esophagus, Stomach, Small intestine, Large Intestine, Anus
Accessory Organs
Liver, Pancreas, Gallbladder, Salivary Gland
OralCavity
Mouth
only Type of indigestion
Salivary Gland
- Makes Saliva
- Chemical Digestion
- Contains Enzymes to Hydrolyze Carbohydrates