# data[].attributes.headline
do you think that blood could turn a different colour from blue and red?

# data[].attributes.subject
do you think that blood could turn a different colour from blue and red?

# data[].attributes.headline
why is the heart not in the shape of a loveheart?

# data[].attributes.subject
why is the heart not in the shape of a loveheart?

# data[].attributes.headline
how long does it take for a heart to beat 100 time?

# data[].attributes.subject
how long does it take for a heart to beat 100 time?

# data[].attributes.headline
how many times can a heart beat in a minute?

# data[].attributes.subject
how many times can a heart beat in a minute?

# data[].attributes.headline
How quickly can blood get pumped around the body?

# data[].attributes.subject
How quickly can blood get pumped around the body?