Download The Human Body Quest: The Circulatory System

The Human Body Quest:
The Circulatory System
BY: EMILY, CALLI, AND KALINA
The Function of the Circulatory System
• Carries oxygen and nutrients throughout the body.
•The blood carries the oxygen to the body cells
•Blood then carries carbon dioxide and wastes away or out of
the body
The Components of Blood
RED BLOOD CELLS: DISK- SHAPED CELLS THAT HAVE NO
NUCLEI; CONTAIN HEMOGLOBIN THAT CARRIES O2 AND CO2
INTO AND OUT OF THE BODY
WHITE BLOOD CELLS: THEY FIGHT BACTERIA, VIRUSES, AND
OTHER INVADERS OF THE BODY.
PLATELETS: IRREGULARLY SHAPED BLOOD CELLS THAT
HELP CLOT THE BLOOD
PLASMA: THE LIQUID PART IN BLOOD, LIKE WATER, THAT
CARRIES NUTRIENTS AND O2 TO THE BODY CELLS AND
CARRY WASTES AND CO2 AWAY FORM THE BODY CELLS.
The Path of Blood
1. Oxygen is contained in your lungs
2. Hemoglobin in the red blood cells carry oxygen out of lungs
3. Red blood cells release oxygen to body cells
4. Hemoglobin then catches carbon dioxide
5. Travels back to lungs with CO2
6. Carbon dioxide released out into the air
Working With Others
•T H E R E S P I R A T O R Y S Y S T E M R E L E A S E S O X Y G E N T O
THE CIRCULATORY TO GIVE TO OTHER SYSTEMS
•T H E C I R C U L A T O R Y A L S O S E N D S B A C K T H E C O 2 N O T
CONTAINED IN CYTOPLASM OR PLASMA BACK TO THE
LUNGS AND OUT OF THE BODY
•T H E C I R C U L A T O R Y S Y S T E M H E L P S C L E A N S E T H E
LIVER, THE DIGESTIVE SYSTEM, BY CARRYING WASTE
AWAY
Fun Facts
1. The walls of the capillaries are only one cell thick
2. If blood flows back toward a vein, the pressure of the blood against the valves
causes the vein to close.
3. Arteries are made of three tissue, connective, smooth, and elastic tissue. It
also consists of a smooth lining.
4. Some veins are blue.