What is the main organ of the excretory system?
What is the kidney?
This is the most important part of the Circulatory System
What is the HEART!
The main waste material of the excretory system
What is Urine
After traveling down the esophagus, food stops here and is mixed with strong acids.
What is the stomach?
Running parallel to the food tube, this pipe brings oxygen to the lungs.
What is the trachea?
The heart moves this throughout the body.
What is blood?
A storage place for urine
What is the bladder?
In this tube you will find the solids remaining, after food nutrients are absorbed into the blood stream.
What is large intestine?
The muscle responsible for expanding and contracting the lungs.
What is the diaphragm?
The tubes which carry blood from the heart to the rest of the body.
What are the arteries?
The two tubes that urine travels through
What are ureters?
What is the purpose of the digestive system?
To extract nutrients from food, and get rid of waste.
What is the purpose of the respiratory system?
To fuel the body with oxygen and remove carbon dioxide.
What is the purpose of the circulatory system?
To circulate blood to all parts of the human body.
The part of food used by the body to support healthy cells.
What are nutrients?
The main function of the excretory system?
To remove wastes from the body and filter blood
The chemicals which break down food
What are enzymes?
There are about 300 million of these in each lung.
What is alveoli?
The human heart has how many chambers?
What is 4