The length of an adult's small intestine

The muscle that helps push food to the back of the mouth where it is swallowed

Breakdown of complex foods to simpler forms

A break in a bone

Any of the pieces of hard, whitish tissue making up the skeleton in humans and other vertebrates

Bile is made in the

A bag made up of smooth muscles that mixes food with digestive juices

Pointed dog tooth-like, next to incisors

The main control center of the nervous system

Also known as the skull, this sits at the top of the body

The liver’s role is to

A blood vessel that carries blood away from the heart

Digestive juice made in the liver and stored in the gallbladder.

The human body system that breaks down food to be used throughout the body

A cage-like shell that protects the heart and lungs

Your food can spend up to this long in the small intestine

The main organs of the respiratory system

Digestive juice produced by salivary glands

The largest organ in the body

This is where two bones meet

Remove harmful substances from the blood

A large blood vessel that returns blood to the heart

A chemical that speeds up a reaction between substances. Digestive enzymes breakdown complex foods to simpler substances

The human body system that controls the body's reactions to the outside world. It is the system that controls the actions, emotions, thoughts, memories, sensations, and senses.

The tube of nerves that runs through your spine or backbone