Vocabulary
This describes our heart and blood vessel system.
All living things are made of this and are the basic unit of life.
The cell
This organ is about the same size as your fist.
What is the heart.
What is made of liquid and solid components that runs through the body?
Blood
Blood vessels
The hard substance that can build up in blood vessels and limits flow of blood.
plaque
In the cardiovascular system, the cells that do the same job group together form this...
What are cells
How many chambers are in the heart?
What is 4
What contains hemoglobin and carries oxygen from lungs to all parts of the body?
red blood cells
The blood eventually passes into tiny blood vessels called this...
capillaries
Small blood vessels that carry blood away from the heart
arterioles
Two or more organs grouped together to function is called...
What is organ systems
What is the name of the two upper chambers?
These help the body's defense against infection.
White blood cells
The venuels connect to...
veins
Another word for 'parts' that we used in this unit.
Components
What two major things are part of the cardiovascular system?
What is the heart and blood vessels
What is the name of the two lower chambers of the heart?
What is ventricles.
What are the fragments or pieces of cells called and promote blood clotting.
Platelets
People with high blood pressure have wide or narrow blood vessels?
Narrow
Liquid that helps transport the solid parts of the blood from one part of the body to another.
plasma
The system uses blood to deliver this very important item we need to function and breathe.
What is oxygen?
What prevents the blood from flowing backwards?
What is the valves
Which direction does deoxygenated blood flow?
back to the heart
What is the name of the problem when the walls of the arteries thicken, become stiff, and less flexible
arteriosclerosis