Terms
The cardiac muscle
Heart
Which mineral gives red blood cells their color?
Iron
A little doorlike flap
Valve
The pressure of your blood against the arteries
Blood Pressure
A blood clot on your skin
Scab
The liquid part of the blood
Plasma
Which system contains the heart, blood, arteries, veins, and capillaries?
Circulatory System
The expanding of the arteries after each heartbeat
Continuous flow of blood within the body
Circulation
How much blood is in the average fifth grader's body?
3 quarts (6 pints)
The largest artery in the body
Aorta
What is the job of platelets?
They help the blood to clot
A large vein from the upper or lower body which enters the heart
Vena Cava
These cells carry oxygen throughout the body
Red Blood Cells
What does plasma carry to every part of the body?
Digested Food
The smallest of the blood vessels
Capillary
How is food moved from one part of the body to the other?
Through the bloodstream
An upper chamber of the heart
Atrium
These cells defend the body against infection and disease
White Blood Cells
Which artery supplies blood to the lungs?
Pulmonary Artery
A blood vessel which carries blood TO the heart
Vein
It makes the heart contract faster and the arteries to become narrower, which may cause high blood pressure, rapid heart rate, shortness of breath, and pain around the heart
A blood vessel which carries blood AWAY from the heart
Artery
Painful, enlarged vein
Varicose vein
Why do alcoholic beverages affect all parts of the body?
It is absorbed rapidly by the body and is carried to the liver where it is changed into a poison. The poison is then carried to every part of the body.