# data[].attributes.headline
Heart pumps oxygen rich blood receive from the lungs to all parts of the body.

# data[].attributes.subject
Heart pumps oxygen rich blood receive from the lungs to all parts of the body.

# data[].attributes.headline
Blood vessels from the lung carry oxygen rich blood to the heart. 

# data[].attributes.subject
Blood vessels from the lung carry oxygen rich blood to the heart. 

# data[].attributes.headline
Heart pumps the carbon dioxide rich blood received from the body to the lungs.

# data[].attributes.subject
Heart pumps the carbon dioxide rich blood received from the body to the lungs.

# data[].attributes.headline
Blood vessels carry  carbon dioxide rich blood from different parts of the body to the heart. 

# data[].attributes.subject
Blood vessels carry  carbon dioxide rich blood from different parts of the body to the heart. 