Key Terms — Human Nutrition Flashcards
Calcium
Mineral ions for growth of bones and teeth
Deficiency: rickets
Iron
Component of haemoglobin
Deficiency: anaemia
Vitamin A
Visual purple, rod cells
Night blindness
Vitamin C
Stick cells tgt, heal wound
Scurvy
Vitamin R
Regulates calcium absorption
Peristalsis
Circular muscles to contract, push bolus
Ingestion
Food mouth
Digestion
Large to small molecules in duodenum
Absorption
In ileum
Into blood
Assimilation
Small molecules to large molecules
Egestion
E pulse faeces
Doesn’t equal to excretion
Lacteal
Part of villi which absorbs fats
Villi
Finger like structure in small intestine to inc surface area
Bile
Produced in liver, stored in all bladder, found in bile salt
Emulsifies large fat droplets into small fat droplets to inc SA
Neutralises stomach acid