............ It softens the food to be easy to swallow
Saliva
Tongue
teeth
Dogs teeth are sharp because they .......................
eat grass
eat meat
eat fruits
........................ allows food to pass from pharynx to stomach.
Small intestine
Stomach
Esophagus
Both animals and humans need nutrients to gain energy.
False
True
.............has more than one stomach to digest grass easily.
Cat
Dog
Cow
The digestion process starts in the ...............
mouth.
............a long tube which allows food to pass from pharynx to stomach.
............store fats in their humps to adapt to the desert environment.
Cows
Camels
Cats
The digestive system is responsible for digesting food and changing it from a simple form into complex one.
Food is completely digested ............ by the help of digestive juices secreted by liver and pancreas.
in the stomach
in the small intestine
in the large intestine