Circulation Topic 1 Flashcards
What are the 3 main components of the circulatory system
Heart
Blood vessels
Blood
The …… circulation carries blood to and from the lungs
Pulmonary
The …… circulation carries blood to and from the rest of the body’s organs
Systemic
The pulmonary artery is the only artery to only carry what type of blood?
Deoxygenated
The pulmonary vein is the only vein to carry ……. Blood
Oxygenated
What do arteries do
Carry blood away from the heart
What do capillaries do
Carry blood through organs and tissues
What do veins do
Carry blood towards the heart
What type of pressure do arteries carry blood in
High pressure
What type of pressure do capillaries carry blood in
Low pressure
What type of pressure do veins carry blood in
A very low pressure
What blood vessel has valves
Veins
What type of walls do arteries have
Thick muscular walls
What type of wallas do capillaries have
Very thin walls (1cell thick)
What type of walls do veins have
Thinner walls with less muscle
What blood vessel has a pulse
Arteries
How is a pulse created
By the heart muscle pumping and contracting
Are Capillaries easily broken
Yes
Do arteries have strong walls
Yes
Why are veins flexible and squashed easily
Blood can be push further along the vessel
What artery and vein go into the lungs
Pulmonary vein and pulmonary artery
What 2 arteries go into the heart
Aorta
Coronary artery
What 2 veins go into the heart
Coronary vein
Vena cava
What artery and vein go into the liver
Hepatic vein
Hepatic artery
