Epiglottis is the ____.
Chemicals produced by the cells of an organism
mucus
enzymes
epiglottis
glands
Amoeba lives in
soil
water
air
plants
A long muscular tube which connects the mouth with the stomach.
palate
mastication
oesophagus
windpipe
Cotopaxi is a volcano in
The first step of taking in food or eating is called
digestion
ingestion
egestion
assimilation
