Anus
The opening through which undigested food is removed from the body
Circulatory System
An organ system that transports digested food, water, oxygen and waste materials
Digestion
The process by which food is broken down into simpler substances
Digestive System
An organ system that breaks down food into simple substances and absorbs them into the body
Gullet
A tube that connects the mouth to the stomach
Large Intestine
An organ where water is removed from undigested food
Muscular System
An organ system made of muscles, which helps different parts of the body to move
Organ
A body part that performs a specific function
Organ System
A body system made up of different organs, each responsible for carrying out a specific function
Respiratory System
An organ system that takes in air and removes air from the body
Saliva
A substance produces in the mouth that helps to break down food into simpler substances
Skeletal System
An organ system made of bones, which supports the body, gives it shape and protects organs in the body
Small Intestine
An organ where the digestion of food is completed
Stomach
An organ where food is digested
System
A set of parts that work together to carry out a function
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