Breathing
Digestive System
Respiratory System
Circulatory System
Nutrition
100

It is the organ in fishes where oxygen is absorbed from water. 

What are the gills?

100
The part of the body where food enters, and digestion begins.
What is the mouth?
100
The most important to breathing, this organ is separated in two part and located behind the breast bone.
What are the lungs?
100

This is the most important part of the Circulatory System

What is the HEART!

100
The source of nutrients for the body.
What is food!
200

This is the scientific name for the windpipe, the tube that connects the pharynx and larynx to the lungs.

What is the trachea?

200

After traveling down the esophagus, food stops here and is mixed with strong acids.

What is the stomach?

200

Running parallel to the food tube, this pipe brings oxygen to the lungs.

What is the trachea?

200

The heart moves this throughout the body.

What is blood?

200
The diagram that shows the portions of each food group, which should be eaten daily.
What is the food pyramid?
300

It is the main waste product of cellular respiration that is exhaled from the body.

What is carbon dioxide?

300

In this tube you will find the solids remaining, after food nutrients are absorbed into the blood stream.

What is large intestine?

300

The bones that protect the lungs from possible injury.

What is the rib/rib cage?

300

The tubes which carry blood from the heart to the rest of the body.

What are the arteries?

300
Nutrients feed these microscopic building blocks of the body.
What are cells?
400

When the diaphragm relaxes and returns to its dome shape, it causes this process of breathing out.

What is expiration or exhalation?

400

What is the purpose of the digestive system?

To extract nutrients from food, and get rid of waste.

400

What is the purpose of the respiratory system?

To fuel the body with oxygen and remove carbon dioxide.

400

What is the purpose of the circulatory system?


To circulate blood to all parts of the human body.

400

The part of food used by the body to support healthy cells.

What are nutrients?

500

This large, dome-shaped muscle contracts and flattens during inhalation, increasing the volume of the chest cavity.

What is the diaphragm?

500

It is the digestive organ where nutrients are absorbed into the bloodstream. 

What is the small intestine?

500

There are about 300 million of these in each lung.

What is alveoli?

500

The human heart has how many chambers?

What is 4

500

It is the tiny holes in leaves of plants where carbon dioxide enters for photosynthesis.

What is stomata?