Nutrition- Uzair Jeppie Flashcards
Ingestion
When food is taken in.
Digestion
When food is exposed to mechanical and chemical processes.
Absorption
End products of digestion absorbed into bloodstream
Assimilation
Cells absorb nutrients from blood
Egestion
Process which undigested remains are removed from the body in form of faeces.
3 reasons why is food useful
Provides energy, growth & repair, Regulation of body processes.
Herbivore incisors
Sharp to cut plant material
Herbivore canines
often absent
Herbivore pre/molars
Large and flat- to grind on plant material
Carnivore incisors
Sharp ends to bite off food
Carnivore canines
Long and sharp- pierce, kill, tear prey apart
Carnivore pre/molars
protrusions w/ sharp edges to cut off food
Alimentary Canal
Long, tubular structure extending through the body.
Alimentary canal structure
Mouth & Mouth Cavity Pharynx Oesophagus Stomach Small intestine Large intestine & anus
Accessory Organs of Alimentary Canal
Tongue Salivary glands pancreas liver gall bladder
Pharynx
throat cavity- where food and air passes through, leads to oesophagus and trachea
Oesophagus
Hollow muscular tube, connecting the pharynx to the stomach- responsible for peristaltic movements.
Stomach
Sac-organ, located below diaphragm.
