Amoeba lives in
soil
water
air
plants
The back of the mouth is called
windpipe
pharynx
oesophagus
peristalsis
Chemicals produced by the cells of an organism
mucus
enzymes
epiglottis
glands
The liver weighs about
1400 grams
1500 grams
1200 grams
1600 grams
When food enters the stomach it is mixed with a juice called
gastric juice
pancreatic juice
grape juice
orange juice
A long muscular tube which connects the mouth with the stomach.
palate
mastication