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