# data[].attributes.attachment_link.description
How does the heart beat? Before each beat, your heart fills with blood. Then its muscle contracts to squirt the blood along. When the heart contracts, it squeezes - try squeezing your hand into a fist. That's sort of like what your heart does so it can squirt out the blood.

# data[].attributes.attachment_link.title
How does the Heart work? Human Body Parts - Science for Kids | Educational Videos by Mocomi

# data[].attributes.attachment_link.title
Heart Facts for Kids - Circulatory System Facts for Kids

# data[].attributes.attachment_link.authors[].name
Educational Videos for Students (Cartoons on Bullying, Leadership & More)

# data[].attributes.attachment_link.title
Heart for kids: The anatomy of the heart. Heart chambers and valves (fun facts for children)

# data[].attributes.attachment_link.title
How the Human Heart Works for Kids | Classroom Video

# data[].attributes.attachment_link.title
heart information for kids - Google Search

# data[].attributes.attachment_link.title
heart information for kids - Google Search