Biology-Heart Flashcards
Name the four main parts of the heart
The left atrium, right atrium, left ventricle, right ventricle
True or false
Arteries carry blood away from the heart
True
Why do arteries have small passageways
Arteries have small passageways so the blood travels faster as arteries carry the blood away from he heart so they want to get the blood to other body parts as quick as possible
Do veins or arteries carry the blood under high pressure
Arteries
Do veins or arteries carry the blood under low pressure
Veins
Were do veins carry the blood to
The heart
Tue or false
Do veins have a large passageway and thin walls for the blood to flow easily as they carry the blood to the heart
True
Why do veins have longer passageways
To allow easier blood flow and more blood can be carried to the heart
How thick are the walls of capillaries
One cell thick
True or false
Blood pressure in the capillaries is very high
False
It is very low blood pressure in the capillaries
Why are capillaries walls only one cell thick
To allow materials to get in and out of hue capillaries
