3 Flashcards
Hormone
Atom
Molecule
Cell
Organ
Organ System
Digestion
Net movement of substances from an area of higher concentration to an area of lower concentration
Absorption
process of taking substances from the gastrointestinal tract into the interior of the body
Feces
A mixture body waste:
- Dead cells
- Undigested, unabsorbed food secretions
- Mucus
- Bacteria
- Water
Fatty Acid
Long molecular chain of Carbon
Lumen
The inside cavity of the digestive tract’s tube
Enzyme
regulate digestive chemical reactions
Lipase
Fats —> Fatty acids
Pancreatic Amylase
Continues job of salivary amylase in breaking down starches
Cellular Respiration
Breathing
Mouth
Chews food and mixes it with saliva
Salivary Glands
Produces saliva which contains a starch-digesting enzyme
Pharynx
Swallows chewed food mixed with saliva
Esophagus
Moves food to the stomach via peristalsis
Stomach
- Churns and mixes food
- Secretes Gastric Juice & inactive pepsin
Liver
Makes bile