Holozoic nutrition in humans Flashcards
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What is the digestive system called in Humans?
Alimentary canal…
What are the two openings of humans?
Mouth, anus
name at least 4 glands in the digestive system.
liver, intestinal glands, salivary glands, pancreas
name all the organs of the digestive system in order.
mouth, oesophagus, stomach, small intestine, large intestine rectum, anus…
The mouth is also known by this name.
buccal cavity…
What are the three organs/glands which help in ingestion?
teeth, tongue, salivary glands…
how many types of teeth are there according to age
milk teeth and permanent teeth…
when do milk teeth start to appear?
7 months…
total number of milk teeth.
20
total number of permanent teeth.
20+8
What is the arrangement of teeth in the buccal cavity?
I=4/4
C=2/2
Pm=4/4
M=6/6
Function of incisors
To cut the food
function of molars
to gring and chew the food
what is the the function of the tongue?
-to mix the food with the saliva.
-to taste the food.
-pushing the food into the food pipe.
where is the tongue present?
it is attached to the floor of the buccal cavity…
What is present on the tongue?
taste buds…
how many pairs of salivary glands are present?
3
what does salivary glands produce
It produces saliva which is a digestive juice…
What are the components of saliva?
Water+s.amylase
s=salivary.
% of starch digestion occurs in the buccal cavity.
70%
saliva make the food______.
moist
What is the product of the undigested food in the buccal cavity?
bolos
oesophagus is also known as__________.
foodpipe
What is the material os oesophagus and its length?
muscular organ, a foot long.
