Circulatory System

Question 1

What is a circulatory system

Answer 1

The circulatory system is a closed network of blood vessels connected to the heart, with blood flowing in one direction

Question 2

What do arteries do

Answer 2

Arteries carry blood away from the heart to organs, and this blood is usually oxygenated
The pulmonary artery is an exception, it carries deoxygenated blood away from the heart

Question 3

What do capillaries join to form

Answer 3

Capillaries join to form venules, which widen into veins carrying blood back to the heart, and this blood is usually deoxygenated
The pulmonary vein is an exception, it carries oxygenated blood to the heart

Question 4

How is blood pump in and out of the heart

Answer 4

Towards: Vena cava , pulmonary vein
Away:Aorta,pulmonary artery

Question 5

How is blood pump in and out of the lung

Answer 5

Towards: Pulmonary artery
Away: Pulmonary vein

Question 6

How is blood pump in and out of the liver

Answer 6

Towards: Hepatic artery and hepatic portal vein
Away: Hepatic vein

Question 7

How is blood pump in and out of the heart kidney

Answer 7

Towards: Renal artery
Away: Renal vein