first step in holozoic nutrition
ingestion
what is the function of salivary amylase?
break down starch into sugar
largest gland in our body
liver
define peristalsis
the wave like movement of the wall of the oesophagous to push the food forward
two features of small intestine that help in absorbing the food
inner wall is folded into finger like prijections called villi , increase the area of absorption,
villi are supplied wit blood vessels which can absorb digested food
process by which the absorbed food is utilised by the body
Assimilation
what are taste buds?
sensory cells which detect taste
secretion of liver
bile
mastication
process of breaking food by biting and chewing
what do you mean by assimilation?
utisation of food for energy, building our body or growth ,repair of the body etc
----------help in engulfing the food in amoeba
pseudopodia
list the two sets of teeth
milk teeth and permanent teeth
where is bile stored
gall bladder
list the parts of the small intestine
duodenum jejunum ileum
what is the function of large intestine in nutrition
absorb excess water and minerals from the undigested food
the part of our digestive system where digestion starts
mouth
What are the functions of molars and premolars
grinding and chewing the food
organisms found in plaque
bacteria
what is chyme
the semi solid food , partially digested in the stomach
what is the true stomach of ruminant
abomasum
enzyme present in saliva
salivary amylase
how do we get tooth cavities
bacteria present in the mouth convert sugar in the left over food into acid which causes corrosion of enamel
gland which produce enzyme in our mouth
salivary glands
define emulsification
process of breaking the complex fat molecules to simpler globules by bile
what is the function of rumen
rumen contain bacteria which help in cellulose digestion and microbes help in fermentation of the food