Circulatory System Flashcards
What is the purpose of blood?
A transport system for oxygen and nutients
How many litres of blood does the average person have?
4/5
What do Red Blood cells do?
Carry oxygen and carbon dioxide to cells
Where do Red Blood cells pick up oxygen?
The lungs
What happens to the oxygen after being delivered to cells?
Carbon dioxide is produced
What is another name for White Blood cells?
Germinators
What is the purpose of white blood cells?
Fight and destroy germs
What do platelets do?
They repair broken blood vessels
What percentage of blood is made up of plasma?
50%
What colour is plasma?
Yellowish/white
Where is Plasma made?
Liver
What direction from the heart do arteries go?
Away
What do capillaries do?
Join arteries to veins
What do veins do?
Carry blood with carbon dioxide back to the heart
What do arteries do?
Arteries carry blood full of oxygen to cells
What side of the heart is stronger? Why?
The left side, because it has to pump blood further.
What is the name of the main vein and artery?
Plumonary
What are the upper parts of the Heart called?
Atrium
What are the lower parts of the heart called?
Ventricle
What stops blood from going the wrong way?
Valves
