Assertion: heart's muscle | /r/CreatedBy | desired body part
Facets:
Source sentences:
text: When the bird decides that he wants to move, the spinal cord relays the message from the brain to the muscles that correspond to the desired body part, causing movement.
text: When the bird decides that he wants to move, the spinal cord relays the message from the brain to the muscles that correspond to the desired body part, causing movement.